This app is matched to Robotic ball through bluetooth.  the ball  can be controlled by  this app. The following description is the  features and functionality.
      First, loading. Next, connect the bluetooth device - the Robotic ball. Then we will come into the main menu interface which includes all functions: controlling,game center,music player,setting. From the main menu interface we also can find a notice showed on the northwest corner that tells us the name of the ball. After the device is connected, the notice table will dismiss.
  The first function is controlling, we can make the ball run forward , backward,turn right,turn left by touching or stretching the relative buttons .
   Second, the game center including 3 games: free dancing, piano, golf. We can let the ball dance on the ground, and play the piano keys and play golf.
   Third, we can play music by the music player function. At the same tune, the ball will flash different colors.
   Fourth, we can adjust the parameters of  light color(red,green,blue),  running speed, spin speed.
   That is the description of this app. Thanks.