busuu

Interactive exercises and quizzes to learn many languages

DW Learn German

Free German course adapted to all levels

LOLA SPEAK

Learn English by talking

ChineseSkill

Learn Chinese with simple tasks and games

Mondly

Alternative to Duolingo learn languages

Du Chinese

A pocket-sized tool for learning and translating Mandarin Chinese

HelloTalk

Practice languages with native speakers

English Grammar Test

Improve your English grammar

HiNative

Learn languages with the help of native speakers

Lingomate

Learn Chinese on your mobile

Memrise

Learn languages with a revolutionary method

Rosetta Stone

App for learning a range of languages

Lingokids Chinese for Kids

Learn Chinese from your smartphone

Duolingo ABC

An English course for kids

Pleco

A great resource for students of Chinese

Babbel

Learn languages with your mobile phone in an entertaining way

Package Disabler

Uninstall pre-installed apps

SD Maid

An app to thoroughly clean your phone

GLTools

Optimze the graphical performance of your GPU

Mobileuncle MTK Tools

Toolbox for MTK smartphones

L Speed

Save battery on your device whilst you're playing

CCleaner

Android version of the most famous cleaner

Booster Master

Exploit the maximum potential of your Android

Clean Master

Cleaner, optimizer and antivirus in one

Greenify

Improve the performance of your Android

Swapper & Tools

Get full Android control with these tools

Glary Utilities

Optimization app for Android

GearUP

A feature-packed accelerator for mobile games

Avast Cleanup

Clean your smartphone and optimize how it works

One Booster

Optimize your Android's performance

Nova Cleaner

Optimizes the performance of Android