Revert "Revert "Animation speed is 20ms for frame. In real life the operation usually takes longer and no sleeping is done. Screen refreshes more rarely on listen mode.""
Revert "Revert "Animation speed is 20ms for frame. In real life the operation usually takes longer and no sleeping is done. Screen refreshes more rarely on listen mode.""

This reverts commit a459f6dca6912ff54d3b2f10b9319cb261193ea9.

Mikuz/Boarder