WhatsDog

Monitor your contacts' WhatsApp status

Whats Dual

Sync one of more WhatsApp accounts on one or more devices

Whats Web

Backup all your files received by WhatsApp

Tools for WhatsApp

A toolbox with resources to enhance WhatsApp

WaRadar

The app for discovering if your WhatsApp contacts are online

Whats Tracker: Who Viewed My Profile?

App to spy on who visits your WhatsApp profile

WhatsBot

Schedule automatic replies with this WhatsApp bot

Whats Tracker

Check who's viewed your WhatsApp profile

WaStat

How much time do you spend hooked up to WhatsApp?

Status Saver

Download the statuses of your favoriate chat and messaging app

WAPunch

Add new features to WhatsApp

WT Hub

Set of additional tools for WhatsApp

WhatsApp Spy

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

Yansa

Messenger app tracker

Labalabi for WhatsApp

Send bulk messages on WhatsApp

GBStickers - Stickers for GBWhatsApp

Exclusive pack of stickers for GBWhatsApp

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

Picture Insect

Insect identifier for cell phones

Infocar

Digital car diagnostic tool

iFixit

An all-purpose repair manual

ElectroDroid

Resources for electronics professionals and enthusiasts

HiCare - Huawei

Huawei post-sales service app

Samsung Members

Make the most of your Samsung device

Plant Care Reminder

Learn to take care of your plants

Google Arts & Culture

Google brings art to your smartphone

Plant App

Learn to identify and care for plants

Shroomify

Discover all the secrets of mushrooms

Instructables

All the tutorials you can think of

Rock Identifier

Identify rocks and discover the rocks around you