Ultimate Cleaner

Optimize your cell-phone's performance

Alpha Booster

Optimize your Android with one tap

Poly Clean

Complete cleaner for Android devices

Ultra Junk Cleaner

Simple, sleek cleaner for Android devices

Clean Keeper

Tools for cleaning your Android device

Zen Booster

Exploit the full potential of your cell phone

Vaku Phone Booster

A complete cleaner for Android devices

Bravo Cleaner

Android device cleaner and booster

Mobile Expert

Improve the performance of your Android

Cooling Master

Cool down your mobile with a tap

Fancy Cleaner

Comprehensive cleaner for Android devices

Bravo Booster

Clean your cell phone up with a single click

CLEANit

Optimize your Android device

Light Cleaner

Boost the performance of your Android to the max

GG Cleaner

Clear all the junk off your Android

One Touch Cleaner

Clean your Android memory with one touch

Instructables

All the tutorials you can think of

ElectroDroid

Resources for electronics professionals and enthusiasts

Google Arts & Culture

Google brings art to your smartphone

Plant Care Reminder

Learn to take care of your plants

Kiwix

The offline version of Wikipedia on your phone

Infocar

Digital car diagnostic tool

iFixit

An all-purpose repair manual

Picture Insect

Insect identifier for cell phones

Wikipedia

The biggest reference work in the palm of your hand

Rock Identifier

Identify rocks and discover the rocks around you

Samsung Members

Make the most of your Samsung device

wikiHow

Consists of tens of thousands of explanatory tutorials

Plant App

Learn to identify and care for plants

Shroomify

Discover all the secrets of mushrooms

HiCare - Huawei

Huawei post-sales service app