7 Best Useful Android App

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If you are looking for the Best Useful Android App to download for free, look no further.

Our expert panel of reviewers has tested dozens of apps and we have compiled a list of the 7 Best Useful Android App that passed our tests.

Check out our list of the 7 Best Useful Android App, tried and tested by our expert reviewers.

7 Best Useful Android App

1. Microsoft Translator

Download the App on the Google Store by clicking this Button
“Microsoft Translator is a free, personal translation app for more than 70 languages, to translate text, voice, conversations, camera photos and screenshots. You can also download languages for offline translation for free to use when you travel.

• Text translation into over 70 languages*, for online and offline use
• Camera translation to translate text within photos and screenshots
• Voice translation to translate speech, and a split-screen mode for two participants having a bilingual conversation
• Multi-person conversation translation – connect your devices and have in-person conversations with up to 100 people across multiple languages
• Phrasebooks for verified translations and pronunciation guides to help you learn important phrases in foreign languages when you travel
• Look up alternate translations and meanings of a word to find the best translation to express yourself
• Download languages for offline use for when you travel without an internet connection
• Hear your translated phrase out loud to help you learn how to say the translation
• View transliterations (pronunciation guides) to help you pronounce the translation (includes Pinyin support for Chinese)
• Share your translations with other apps
• Pin and save your most frequent translations for later
• Translate text in other apps through context menu translation

Translator supports the following languages:  Afrikaans, Arabic, Arabic (Levantine), Bangla, Bosnian (Latin), Bulgarian, Cantonese (Traditional), Catalan, Chinese Simplified, Chinese Traditional, Croatian, Czech, Danish, Dari, Dutch, English, Estonian, Fijian, Filipino, Finnish, French, German, Greek, Gujarati, Haitian Creole, Hebrew , Hindi, Hmong Daw, Hungarian, Icelandic, Indonesian, Irish, Italian, Japanese, Kannada, Kazakh, Korean, Kurdish (Central), Kurdish (Northern), Latvian, Lithuanian, Malagasy, Malay, Malayalam, Maltese, Maori, Marathi, Norwegian, Odia, Pashto, Persian, Polish, Portuguese (Brazil), Portuguese (Portugal), Punjabi, Queretaro Otomi, Romanian, Russian, Samoan, Serbian (Cyrillic), Serbian (Latin), Slovak, Slovenian, Spanish, Swahili, Swedish, Tahitian, Tamil, Telugu, Thai, Tongan, Turkish, Ukrainian, Urdu, Vietnamese, Welsh, Yucatec Maya.

Microsoft Translator is powered by cutting-edge technology used by Office, Bing, Skype, and Edge as well as by partners such as Adobe, LinkedIn and more. 

*Some features are not available in all languages.”

2. Lynket Browser (previously Chromer)

Download the App on the Google Store by clicking this Button
“Lynket is a unique browser based on Custom Tabs protocol

Lynket slides over the website on top of your apps, enabling you to transition into the website seamlessly. Even if you navigate multiple times, you can always press X to quickly return to the app where you left.

Featured in:
🏆 15 best Android browsers of 2018. -Android Authority
🏆 Chromer gives every app its own custom internal browser. -Phandroid
🏆 Chromer opens all of your links in a Chrome Custom Tab. -AndroidPolice

Features
🔵 Lynket works with any browser that implements the Custom Tab protocol. It also inherits the browser’s behavior such as tracking protection, shared login info, bookmark sync etc.
🔵 Web Heads – Lynket loads links in floating bubbles and in background.
🔵 Article Mode – Grabs only the content of web pages and presents them in a neat interface.
🔵 AMP – Lynket can find AMP version of page before loading, which can be faster on mobile.
🔵 Per app settings – Configure incognito mode and secondary browser for apps individually.
🔵 Minimize and Tabs – Multitask efficiently using Android’s Recents screen.

Other niceties:
🌟 Secondary browser
🌟 Favorite sharing app
🌟 Dynamic toolbar color
🌟 Search suggestions
🌟 Use Overview screen to multitask

Performance:
Lynket’s implementation of floating bubbles and background loading is vastly superior to other floating browsers due to use of Custom Tabs. It does not hog memory in RAM and respects Android™ Lifecycle.

Lynket is free and fully open source!

Your suggestions are most welcome, please find way to send feedback in app. Please rate the app if you like it.😃”

3. Files by Google

Download the App on the Google Store by clicking this Button
“Files by Google is a file management app that helps you:
✨ Free up space with cleaning recommendations
🔍 Find files faster with search and simple browsing
↔️ Share files offline with others, fast and without data
☁️ Back up files to the cloud to save you space on device

FREE UP MORE SPACE
In just a few taps, you can free up space more quickly and easily than ever: Delete old photos and memes from chat apps, remove duplicate files, erase unused apps, clear your cache and more.

CHECK YOUR STORAGE
Use Files to see how much free space is left on your phone and SD card. Easily transfer files to an SD card to free up your phone’s storage, right from the app. Or use the integrated file cleaner to get more space on the phone.

BE IN CONTROL
You will always know what you’re deleting, we don’t hide behind complicated terms and phrases. Select only what you want to remove and keep the rest. It’s your photos, your videos, your files so you are in charge.

BOOST PHONE PERFORMANCE
Use Files to keep enough of memory, so that your phone keeps on running smooth. Regularly, you get a prompt to remove junk or temporary files which helps you get more storage immediately.

SMART RECOMMENDATIONS
Get helpful suggestions of files to erase before you run out of space. The recommendation from Files app get smarter the more you use it.

FIND FILES FASTER
Save time looking for photos, videos, and documents on your phone. Files uses filters rather than folders so your stuff is organized more intuitively. Files by Google is the file manager and storage browser that helps you find what you’re looking for fast.

EASILY MANAGE FILES
Search for your files or simply navigate to them through categories and filters. View, delete, move, rename or share any files. Sort them by file size to understand what’s taking space. Browse all the GIFs your have. Find and share that video you downloaded last week. All of this with few taps.

SHARE FILES OFFLINE
Share your pictures, videos, documents, or apps with others nearby who also have the app. With fast speed up to 480 Mbps, it’s fast, free, and it works without the internet, so it doesn’t cost mobile data. Just pair up your phone with anyone nearby who has Files app.

ENCRYPTED FILE SHARING
Files’s offline file sharing is secured with WPA2 encryption, providing a more secure file transfer. Files app uses Bluetooth to set up encrypted and direct fast wifi connection, so that you can transfer app APK or large files in seconds, send videos or pictures to your friends. Safe and secure.

BACKUP FILES TO THE CLOUD
If you want to keep a file forever, select it from the Files menu and back it up to Google Drive or any other cloud storage app. Save them forever without taking space in your phone.

BACKUP FILES TO THE SD CARD
If you run out of storage on your phone, simply transfer large files or videos to your SD card if you have one. With a few clicks, you can clean up your phone and fully use the SD card. That leaves your internal storage free and your phone faster.

EFFICIENT, EFFECTIVE STORAGE MANAGEMENT
Files app takes less than 10MB of storage on your phone. And there’s no malware or bloatware to affect your phone’s performance.

THREE-IN-ONE TOOL APP
While taking very little storage on your device, Files does three things in one:
1) Free up space – Clean junk files and cache, boost your mobile phone or tablet as you clean up the phone memory and optimize your smartphone performance.
2) Find files fast – Browse your storage and find everything fast without being expert in file management.
3) Share files – Send pictures, share videos, transfer large files or app apks. All of this with super fast speed with rate up to 480 Mbps over an encrypted direct wifi network.”

4. Facebook

Download the App on the Google Store by clicking this Button
“Keeping up with friends is faster and easier than ever. Share updates and photos, engage with friends and Pages, and stay connected to communities important to you.

Features on the Facebook app include:

* Connect with friends and family and meet new people on your social media network
* Set status updates & use Facebook emoji to help relay what’s going on in your world
* Share photos, videos, and your favorite memories.
* Get notifications when friends like and comment on your posts
* Find local social events, and make plans to meet up with friends
* Play games with any of your Facebook friends
* Backup photos by saving them in albums
* Follow your favorite artists, websites, and companies to get their latest news
* Look up local businesses to see reviews, operation hours, and pictures
* Buy and sell locally on Facebook Marketplace
* Watch live videos on the go

The Facebook app does more than help you stay connected with your friends and interests. It’s also your personal organizer for storing, saving and sharing photos. It’s easy to share photos straight from your Android camera, and you have full control over your photos and privacy settings. You can choose when to keep individual photos private or even set up a secret photo album to control who sees it.

Facebook also helps you keep up with the latest news and current events around the world. Subscribe to your favorite celebrities, brands, news sources, artists, or sports teams to follow their newsfeeds, watch live streaming videos and be caught up on the latest happenings no matter where you are!

The most important desktop features of Facebook are also available on the app, such as writing on timelines, liking photos, browsing for people, and editing your profile and groups.

Now you can get early access to the next version of Facebook for Android by becoming a beta tester. Learn how to sign up, give feedback and leave the program in our Help Center: http://on.fb.me/133NwuP

Sign up directly here:
http://play.google.com/apps/testing/com.facebook.katana

Problems downloading or installing the app? See http://bit.ly/GPDownload1
Still need help? Please tell us more about the issue. http://bit.ly/invalidpackage

Facebook is only available for users age 13 and over.
Terms of Service: http://m.facebook.com/terms.php.”

5. MX Player

Download the App on the Google Store by clicking this Button
“Powerful video player with advanced hardware acceleration and subtitle support.

You can now share files, music, apps and more in a click using MX File Transfer

a) HARDWARE ACCELERATION – Hardware acceleration can be applied to more videos with the help of new HW+ decoder.

b) MULTI-CORE DECODING – MX Player is the first Android video player which supports multi-core decoding. Test result proved that multi-core device’s performance is up to 70% better than single-core devices.

c) PINCH TO ZOOM, ZOOM AND PAN – Easily zoom in and out by pinching and swiping across the screen. Zoom and Pan is also available by option.

d) SUBTITLE GESTURES – Scroll forward/backward to move to next/previous text, Up/down to move text up and down, Zoom in/out to change text size.

e) MX FILE SHARING – File sharing app for fast file transfer without mobile data usage. Share Music, Share Video, Share Photos or Send Files & Apps instantly

f) KIDS LOCK – Keep your kids entertained without having to worry that they can make calls or touch other apps.

Subtitle formats:

– DVD, DVB, SSA/*ASS* subtitle tracks.
– SubStation Alpha(.ssa/.*ass*) with full styling.
– SAMI(.smi) with Ruby tag support.
– SubRip(.srt)
– MicroDVD(.sub)
– VobSub(.sub/.idx)
– SubViewer2.0(.sub)
– MPL2(.mpl)
– TMPlayer(.txt)
– Teletext
– PJS(.pjs)
– WebVTT(.vtt)

******
Permission Details:
–––––––––––––––––––
* “READ_EXTERNAL_STORAGE” is required to read your media files in your primary & secondary storages.
* “WRITE_EXTERNAL_STORAGE” is required to rename or deletion of files and to store the downloaded subtitles.

* “LOCATION” permission is required to help find nearby friends for file transfers.
* “NETWORK” and “WIFI” permissions are required to get the network status which is required for various activities like license checking, update checking etc. Wifi connection is also used for faster file transfers.
* “BLUETOOTH” permission is required in order to improve AV sync when Bluetooth headset is connected, and create connections for file transfers.
* “CAMERA” permission is required to scan QR code for file transfers.
* “INTERNET” is required to play internet streams.

* “VIBRATE” is required to control the vibration feedbacks.
* “WAKE_LOCK” is required to prevent your phone from sleeping while watching any video.
* “KILL_BACKGROUND_PROCESSES” is required to stop the MX Player services used in background play.
* “DISABLE_KEYGUARD” is required to temporarily prevent secure screen lock when Kids Lock is used.
* “SYSTEM_ALERT_WINDOW” is required to block some keys when Kids Lock is used.
* “DRAW OVER OTHER APPS” is required to block system buttons when input blocking is activated on the playback screen.

******
If you are facing “package file is invalid” error, please install it again from product home page (https://sites.google.com/site/mxvpen/download)
******

If you have any questions, please visit our Facebook Page or XDA MX Player forum.
https://www.facebook.com/MXPlayer
http://forum.xda-developers.com/apps/mx-player

Some of the screens are from the Elephants Dreams licensed under the Creative Commons Attribution 2.5.
(c) copyright 2006, Blender Foundation / Netherlands Media Art Institute / www.elephantsdream.org

Some of the screens are from the Big Buck Bunny licensed under the Creative Commons Attribution 3.0 Unported.
(c) copyright 2008, Blender Foundation / www.bigbuckbunny.org”

6. Niagara Launcher ‧ fresh/clean

Download the App on the Google Store by clicking this Button
“The traditional home screen we know was made more than a decade ago, where phone screens were smaller than your credit card. Smartphones keep growing, but not your fingers. The minimalist Niagara Launcher makes everything accessible with one hand and lets you focus on what matters.

🏆 A standout new Android launcher for ergonomic efficiency · Computerworld

🏆 Among the best launchers of 2020 according to Tom’s Guide, Android Central, Android Authority, and TechRadar

🏆 Featured on XDA Developers

▌ Top reasons to use Niagara Launcher:

✋ Ergonomic efficiency · Access everything with one hand – no matter how big your phone is.

🌊 Adaptive list · In contrast to a rigid grid layout used by other Android launchers, Niagara Launcher’s list can adapt to your needs. The media player, incoming messages, or calendar events: everything pops in when it needs to.

🏄‍♀ Wave alphabet · Efficiently reach every app without even having to open an app drawer. The launcher’s wave animation does not only feel satisfying but also helps you navigate your phone with just one hand.

💬 Embedded notifications · Not just notification dots: Read and respond to notifications right from your home screen.

🎯 Stay focused · The streamlined and minimalist design declutters your home screen, reduces distractions, and is super easy to use.

⛔ Ad-free · Ads on a minimalist launcher to declutter doesn’t make sense. Even the free version is also completely ad-free.

⚡ Lightweight & lightning fast · Being minimalist and fluid are two of the most important aspects of Niagara Launcher. The home screen app runs smoothly on all phones. With just a few megabytes in size, no space is wasted.

✨ Declutter your home screen · Hide all pre-installed bloatware and rarely used apps to focus on your relevant apps.

🦄 Personalize your home screen · Impress your friends with Niagara Launcher’s clean look and customize it to your needs. Personalize it with our integrated icon pack, fonts, and wallpapers, or use your own.

🏃 Active development & great community · Niagara Launcher is in active development and has a very supportive community. If you ever have a problem or want to voice your opinions about the launcher, please join us:

🔹 Twitter: https://twitter.com/niagaralauncher

🔹 Discord: https://niagaralauncher.app/discord

🔹 Telegram: https://t.me/niagara_launcher

🔹 Reddit: https://www.reddit.com/r/NiagaraLauncher

🔹 Press kit: http://niagaralauncher.app/press-kit

📴 Why we offer an accessibility service · Our accessibility service has the sole purpose of letting you quickly turn off your phone’s screen with a gesture. The service is optional, disabled by default, and neither collects nor shares any data.”

7. Bitdefender Mobile Security & Antivirus

Download the App on the Google Store by clicking this Button
“Bitdefender Mobile Security & Antivirus is the most powerful antivirus app for Android. It protects your smartphone and tablet against viruses, malware and online threats and keeps your private information secure from hackers.

Bitdefender Mobile Security & Antivirus was named the Best Android Security Product of 2020, 2017, 2016 and 2015 by AV-TEST. Try it free for the first 14 days.

Security Features:

✔ Antivirus Protection – keeps your Android device safe from all new and existing online threats
✔ Virus & Malware Scanner – 100% detection rate against viruses, malware, spyware, ransomware; on-demand & on-install scan and malware removal
✔ Web Protection – secures your Android device against dangerous, phishing and fraudulent sites for the most popular browsers
✔ Autopilot – makes security recommendations based on your mobile device usage
✔ Account Privacy – monitors if your email accounts were involved in any data breach
✔ VPN – makes your IP anonymous & unlocks geo-restricted content
✔ App Lock – protects your sensitive and private mobile apps with a PIN code or fingerprint
✔ Anti-Theft – protects your personal information in case your Android device is stolen or lost
✔ Reports – sends insights about your weekly activity and security incidents that were prevented
✔ WearON – extends the protection offered by Bitdefender Mobile Security & Antivirus to your smart watch

Bitdefender Mobile Security & Antivirus keeps your Android phone and tablet protected from all online threats. It acts as a virus cleaner and malware removal tool.

Virus & Malware Scanner
With an independently proven 100% detection rate, Malware Scanner automatically scans all mobile apps for viruses, malware and any other threats to protect your Android device.

Web Protection
Web Protection blocks malicious, phishing and fraudulent links and keeps your online activity safe on the most popular browsers so you can navigate or buy online without any risks.

Scam Alert
Protects against mobile threats relying on links to enter your device and gather data. Detects dangerous links embedded in texts and notifications and helps put an end to the spread of such attacks.

Autopilot
Autopilot acts as your Security Advisor by recommending security actions in the context of your system needs and usage patterns.

Account Privacy
How safe is your email address? Find out whether your account details or personal data have been involved in a data breach by monitoring them with Bitdefender Mobile Security & Antivirus.

VPN
Surf the web anonymously & unlock geo-IP restricted content with the VPN feature. Free use limited to 200MB traffic / day.

App Lock
Protect your most sensitive mobile apps with a PIN code or fingerprint so no one can mess with your private info. Use Smart Unlock to allow direct access to protected apps when using a trusted Wi-Fi.

Anti-Theft & Snap Photo
Lock, geo-locate, sound an alarm, and wipe your Android from any internet-connected device. The anti-theft protection will snap a mugshot of any person who tries to tamper with your phone in your absence.

Security Reports
Bitdefender Mobile Security & Antivirus reports your activity in weekly intervals so you can have a clear overview of how you use your phone from a security and privacy perspective.

WearON
Extends Bitdefender Mobile Security & Antivirus to Android Wear devices.
Never lose your device with the help of Phone Alert and Scream (Android 4.3 and later required).

For Open-Beta group
New functionality available to test – Anti-SMS phishing to keep you safe against attacks relying on text messages to infiltrate on your device or gather your data. Works side-by-side with Web Protection for complete online protection.

Note: This safety app requires Device Admin permission and uses Accessibility services.”