GG Cleaner

Clear all the junk off your Android

One Touch Cleaner

Clean your Android memory with one touch

Clean Keeper

Tools for cleaning your Android device

Cooling Master

Cool down your mobile with a tap

Ultimate Cleaner

Optimize your cell-phone's performance

CLEANit

Optimize your Android device

Poly Clean

Complete cleaner for Android devices

Zen Booster

Exploit the full potential of your cell phone

Bravo Cleaner

Android device cleaner and booster

Alpha Booster

Optimize your Android with one tap

Fancy Cleaner

Comprehensive cleaner for Android devices

Vaku Phone Booster

A complete cleaner for Android devices

Ultra Junk Cleaner

Simple, sleek cleaner for Android devices

Bravo Booster

Clean your cell phone up with a single click

Light Cleaner

Boost the performance of your Android to the max

Mobile Expert

Improve the performance of your Android

Plant Care Reminder

Learn to take care of your plants

iFixit

An all-purpose repair manual

Infocar

Digital car diagnostic tool

Picture Insect

Insect identifier for cell phones

Instructables

All the tutorials you can think of

HiCare - Huawei

Huawei post-sales service app

Samsung Members

Make the most of your Samsung device

Plant App

Learn to identify and care for plants

Rock Identifier

Identify rocks and discover the rocks around you

Shroomify

Discover all the secrets of mushrooms

ElectroDroid

Resources for electronics professionals and enthusiasts

Wikipedia

The biggest reference work in the palm of your hand

wikiHow

Consists of tens of thousands of explanatory tutorials

Kiwix

The offline version of Wikipedia on your phone

Google Arts & Culture

Google brings art to your smartphone