Fancy Cleaner

Comprehensive cleaner for Android devices

GG Cleaner

Clear all the junk off your Android

Cooling Master

Cool down your mobile with a tap

Bravo Booster

Clean your cell phone up with a single click

Alpha Booster

Optimize your Android with one tap

Mobile Expert

Improve the performance of your Android

Zen Booster

Exploit the full potential of your cell phone

Light Cleaner

Boost the performance of your Android to the max

Poly Clean

Complete cleaner for Android devices

CLEANit

Optimize your Android device

Clean Keeper

Tools for cleaning your Android device

Ultimate Cleaner

Optimize your cell-phone's performance

Ultra Junk Cleaner

Simple, sleek cleaner for Android devices

Vaku Phone Booster

A complete cleaner for Android devices

Bravo Cleaner

Android device cleaner and booster

One Touch Cleaner

Clean your Android memory with one touch

LOLA SPEAK

Learn English by talking

Memrise

Learn languages with a revolutionary method

Rosetta Stone

App for learning a range of languages

HelloTalk

Practice languages with native speakers

Pleco

A great resource for students of Chinese

Du Chinese

A pocket-sized tool for learning and translating Mandarin Chinese

Mondly

Alternative to Duolingo learn languages

Lingokids Chinese for Kids

Learn Chinese from your smartphone

busuu

Interactive exercises and quizzes to learn many languages

Babbel

Learn languages with your mobile phone in an entertaining way

Tandem

Learn to speak other languages by means of conversation exchanges

HiNative

Learn languages with the help of native speakers

DW Learn German

Free German course adapted to all levels

Duolingo ABC

An English course for kids

Duolingo

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