The new version v1.5 is released on steam. It contains several updates:
Updated UI
The UI has received a massive update. There are now three screens including a new Help and Credits Screen.
Added Music
Background music is now available in the game. You can control the volume of the music and sound effects in the settings menu.
Added Steam Achievements
Steam achievements for every play type are now available
Added Localization
The game is now localized to english and german