D-10-2

v-3.2.2
---
1. sensorEventListener => to an independent file

    ==> Not achieved
D-10-2

v-3.2.3
---
1. new layout
	  => view + button
	  => "setContentView(R.layout...)

	==> N/W

    ==> Not achieved
D-10-2

v-3.2.4.0
---
1. "Go", "Clear" => balls go larger/smaller

    ==> W
D-10-2

v-3.2.4.1
---
1. "Go", "Clear" => red ball: left, top ==> change

    ==> W
D-10-2

v-3.2.4.2a
---
1. Code => cleanup

    ==> done
D-10-2

v-3.2.4.2
---
1. display 2 balls

    ==> done