Tricky Tube

When the ball fall down from Helicopter. It programs that ball goes to long tube (yellow line) for the first time.
And then you have 3 options
1. if you touch the bottom of long tube (tube become yellow) then game continue , you pass one round and win 1 point
2. if you touch the bottom of empty short tube (tube become yellow) ball fall out to dead zone and game over.
a. if you touch the bottom of short tube has WHITE STONE (tube become yellow) then game continue and you win 3 points.
b. if you touch the bottom of short tube has EMERALD then game continue and you win 15 points. In this case the speed of ball increase to one higher level. Ball falling down faster.
3. if you choose one tube but you want to change to choose other tube you can do that if you have enough time.