RA Whatsapp is a official whatsapp mod version developed by Ridwan Arifin. The original mod developed from YoWhatsApp that made by Fouad Mokdad. You can download the latest RA Whatsapp build from here.
Ridwan Arifin improved and re-designed the YoWhatsApp user interface and make it like a totally iOS style WhatsApp for Android.
RA WhatsApp Features
RA WhatsApp comes with lots if new features
Download RA WhatsApp APK
Here is the download button of RA WhatsApp: