Nova Launcher

Customize your Android with one of the best application launchers

Hovering Controls

Control your Android without touching the screen

Quick Reboot

Create shortcuts to the operating system's reboot

Pressy

A button for all your phone's functions

Google BrailleBack

Adapt an Android for the blind

Firefox OS

Mozilla's official launcher that emulates Firefox OS

Magus

Use your phone with 3D gestures

Apex Launcher

One of the most powerful launchers

utter!

Control your Android with voice commands

Swapps!

Switch from one application to another very easily

XOS Launcher

Nice customizable launcher for Android

miUnlock

Blow or shake your smartphone to unlock it

Twisty Launcher

Your application launcher specialized in gestures

GMD Gesture Control

Configure gesture control actions for your Android

Air Swiper

Control your Android without touching the screen

AAAD

Install unofficial applications for Android Auto

Wikipedia

The biggest reference work in the palm of your hand

Google Arts & Culture

Google brings art to your smartphone

iFixit

An all-purpose repair manual

Shroomify

Discover all the secrets of mushrooms

Picture Insect

Insect identifier for cell phones

Plant Care Reminder

Learn to take care of your plants

Infocar

Digital car diagnostic tool

Samsung Members

Make the most of your Samsung device

Kiwix

The offline version of Wikipedia on your phone

ElectroDroid

Resources for electronics professionals and enthusiasts

Rock Identifier

Identify rocks and discover the rocks around you

Plant App

Learn to identify and care for plants

wikiHow

Consists of tens of thousands of explanatory tutorials

HiCare - Huawei

Huawei post-sales service app

Instructables

All the tutorials you can think of