utter!

Control your Android with voice commands

GMD Gesture Control

Configure gesture control actions for your Android

Google BrailleBack

Adapt an Android for the blind

miUnlock

Blow or shake your smartphone to unlock it

Quick Reboot

Create shortcuts to the operating system's reboot

Nova Launcher

Customize your Android with one of the best application launchers

Air Swiper

Control your Android without touching the screen

Pressy

A button for all your phone's functions

Swapps!

Switch from one application to another very easily

Apex Launcher

One of the most powerful launchers

Twisty Launcher

Your application launcher specialized in gestures

XOS Launcher

Nice customizable launcher for Android

Hovering Controls

Control your Android without touching the screen

Firefox OS

Mozilla's official launcher that emulates Firefox OS

Magus

Use your phone with 3D gestures

AAAD

Install unofficial applications for Android Auto

Whats Dual

Sync one of more WhatsApp accounts on one or more devices

Whats Web

Backup all your files received by WhatsApp

WhatsApp Spy

Spy on your WhatsApp contacts to know when they've been online

Status Saver

Download the statuses of your favoriate chat and messaging app

Whats Tracker

Check who's viewed your WhatsApp profile

WhatsBot

Schedule automatic replies with this WhatsApp bot

Labalabi for WhatsApp

Send bulk messages on WhatsApp

Whats Tracker: Who Viewed My Profile?

App to spy on who visits your WhatsApp profile

WhatsDog

Monitor your contacts' WhatsApp status

WaStat

How much time do you spend hooked up to WhatsApp?

Yansa

Messenger app tracker

WaRadar

The app for discovering if your WhatsApp contacts are online

WT Hub

Set of additional tools for WhatsApp

Tools for WhatsApp

A toolbox with resources to enhance WhatsApp

WAPunch

Add new features to WhatsApp