This is an easy game. There are many variety items in game screen. The bug wants to eat the eatable items and avoid the bad items by rolling over and over forward. The forward direction is controlled by leaning the device to right or left. The forward speed is on the decrease gradually. Then it is possible to increase the speed by releasing the gas of bug.
https://play.google.com/store/apps/details?id=com.telephonesamsunggalaxy.game1
https://play.google.com/store/apps/details?id=com.telephonesamsunggalaxy.game1