How to download Whatsapp on Samsung Rex 90?


Is it possible to use WhatsApp on Samsung Rex 90? Get some tips from the smartphone experts here.

Whatsapp is one of the most used app these days. One of my very close friend has Samsung Rex 90 mobile phone. However he is not able to download Whatsapp on it. Is there any way by which my friend can download Whatsapp on Samsung Rex 90? Please help.