It is simple with Totalcoin
Totalcoin app is a cryptocurrency wallet for your smartphone with day-and-night technical support.
In this wallet you can store not only Bitcoin, but also other popular cryptocurrencies.
The main feature of this Bitcoin wallet is the possibility to buy and sell Bitcoin at competitive exchange rates or to exchange it for other supported cryptocurrencies. You probably will not find this feature in other wallets.
Totalcoin wallet is an undoubted leader among similar wallets in the cryptocurrency industry.