Lovense Remote

Control your sex toys remotely

Picture Insect

Insect identifier for cell phones

Massage Vibrator for Women

A pocket vibrator for massages and other things.

Instructables

All the tutorials you can think of

iFixit

An all-purpose repair manual

wikiHow

Consists of tens of thousands of explanatory tutorials

Google Arts & Culture

Google brings art to your smartphone

Kiwix

The offline version of Wikipedia on your phone

ElectroDroid

Resources for electronics professionals and enthusiasts

Cray Cray

Questions to strengthen your relationships

Richie Games

Play games and win real prizes

Extreme Vibration

Your cell phone gives you massages with this app

HiCare - Huawei

Huawei post-sales service app

Wikipedia

The biggest reference work in the palm of your hand

Massager Vibration

Relax with the vibration of your cell phone

Shroomify

Discover all the secrets of mushrooms

Vyng

Enjoy every call you make

Lesser AudioSwitch

Tool to force the smartphone audio through the speaker or headphones

SoundAbout

Complete control over your phone's audio

Volume Limiter

Set the volume of your Android's sounds

Extra Volume Booster

Boost the volume of your smartphone to the max

Precise Volume

Control the volume of your Android

Super Volume Booster

Maximize the volume of your Android

App Volume Control

Configure the volume of each application

Bass Booster

Sound equalizer for Android

Volume Booster GOODEV

Optimize and boost the volume of your Android

Razer Audio

Advanced customization tool for devices of this brand

Volume Booster PRO

Volume amplifier for your Android

ViPER4Android FX

Control all the audio of your Android

Ringpod - MP3 Cutter

App to create ringtones for Android

Power Button to Volume Button

Switch the power button for the volume button on your Android