Heads or Tails

數百萬款最新的 Android 應用程式、遊戲、音樂、電影、電視節目、書籍、雜誌等項目盡在其中，歡迎隨時隨地透過您的各種裝置取得。

This is an app made to simulate the flipping of a coin. Just tap where it says and it will spit out a result. This is one of my very first apps so constructive advice would be greatly appreciated.