WhatsApp Plus is the modified version of WhatsApp-APK , which a developer has provided in a forum of XDA-Developers for download. It offers a number of special visual customization options that are not available in the official version of WhatsApp. The whatsApp Plus messenger differentiates from WhatsApp-APK mainly because of its numerous optical modifications.
It lets you visually fit almost any part of the Messaging App according to your needs and taste. The Background in chat windows plus menus, Contact names and their status as well as the color of text in the message window can be completely optimized and individualized according to your needs.
Specially for Android 4.0 (Ice Cream Sandwich lovers) users there is also an special modification available called “Holo” which integrates perfectly well into the ICS design. They can also be changed and adapted. Allowing easy installation and the usage of it can not be guaranteed.
Remember to de-install the last verion of WhatsApp from your Android device first before installing this new version otherwise you will get an error “not installed.”