Quick Reboot

Create shortcuts to the operating system's reboot

Air Swiper

Control your Android without touching the screen

Pressy

A button for all your phone's functions

Magus

Use your phone with 3D gestures

miUnlock

Blow or shake your smartphone to unlock it

Nova Launcher

Customize your Android with one of the best application launchers

XOS Launcher

Nice customizable launcher for Android

Firefox OS

Mozilla's official launcher that emulates Firefox OS

Apex Launcher

One of the most powerful launchers

Swapps!

Switch from one application to another very easily

Twisty Launcher

Your application launcher specialized in gestures

GMD Gesture Control

Configure gesture control actions for your Android

utter!

Control your Android with voice commands

Hovering Controls

Control your Android without touching the screen

Google BrailleBack

Adapt an Android for the blind

AAAD

Install unofficial applications for Android Auto

Duolingo ABC

An English course for kids

HelloTalk

Practice languages with native speakers

busuu

Interactive exercises and quizzes to learn many languages

Pleco

A great resource for students of Chinese

HiNative

Learn languages with the help of native speakers

Rosetta Stone

App for learning a range of languages

LOLA SPEAK

Learn English by talking

Babbel

Learn languages with your mobile phone in an entertaining way

Mondly

Alternative to Duolingo learn languages

Tandem

Learn to speak other languages by means of conversation exchanges

Memrise

Learn languages with a revolutionary method

Du Chinese

A pocket-sized tool for learning and translating Mandarin Chinese

Duolingo

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

DW Learn German

Free German course adapted to all levels

Lingokids Chinese for Kids

Learn Chinese from your smartphone