Whats app is now world most famous communication and multi media Android application which is use for text messaging, voice and audio recording and your can make live audio and video calls free of cost in all over the world you just need a active mobile data connection 3g or 4g or you can also use WIFI DSL for better result.
You can also send picture and share video through this application. Now you can use multiple whats app application and account number on 1 mobile smart phone at same time easily with using this application. Whats app multi is very easy to use just download and install this app and configure your different mobile numbers which you want to use in whats app account now the rest method is same like single whats app installation and configuration.
Google Android OS :-Jelly Bean 4.0
Kit Kat 4.4
Lolly Pop 5.0