Zebay bitcoin wallet app is awesome app.i used this app for bitcoin purpose few months, its good work and quickly work.Concept: the mainly concept of this app is bitcoin purpose, you can easily sell and buy bitcoins by this app.you call also see live update the bitcoins selling and buying price.its great.Layout and design: this app is work good and it can be not of lack also, design is user friendly type, so any kind of people use this app easily.Features and function: you can sell and buy bitcoin by this app.also you can transfer money which is exchange from bitcoin directly to bank account from this app.you can only first tine verified your identity by pan card information and update your bank accout details for this app, after that you can easily use this app.you can also recharge, buy gift coupon, paid bills etc by this app.Usefulness: this app is made for bitcoin purpose, and it be trusted app, I satisfy.