CLEANit

Optimize your Android device

Bravo Booster

Clean your cell phone up with a single click

GG Cleaner

Clear all the junk off your Android

Fancy Cleaner

Comprehensive cleaner for Android devices

Mobile Expert

Improve the performance of your Android

One Touch Cleaner

Clean your Android memory with one touch

Clean Keeper

Tools for cleaning your Android device

Light Cleaner

Boost the performance of your Android to the max

Alpha Booster

Optimize your Android with one tap

Ultra Junk Cleaner

Simple, sleek cleaner for Android devices

Bravo Cleaner

Android device cleaner and booster

Zen Booster

Exploit the full potential of your cell phone

Cooling Master

Cool down your mobile with a tap

Vaku Phone Booster

A complete cleaner for Android devices

Ultimate Cleaner

Optimize your cell-phone's performance

Poly Clean

Complete cleaner for Android devices

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

Rosetta Stone

App for learning a range of languages

Babbel

Learn languages with your mobile phone in an entertaining way

Memrise

Learn languages with a revolutionary method

Mondly

Alternative to Duolingo learn languages

Duolingo

An app to learn languages, maths, and music with your cell phone

Pleco

A great resource for students of Chinese

HiNative

Learn languages with the help of native speakers

Lingokids Chinese for Kids

Learn Chinese from your smartphone

Du Chinese

A pocket-sized tool for learning and translating Mandarin Chinese

HelloTalk

Practice languages with native speakers

Duolingo ABC

An English course for kids

Tandem

Learn to speak other languages by means of conversation exchanges