Play games
Choose the game that interests you and play itfor free.
Complete the quests
Every game has some quests for which you will receive Soul Gems.
Receive rewards
You can exchange your Soul Gems for Steam Wallet top-ups, game keys, CS:GO Skins and other rewards.
Okay it Enhances your capability of your eyes to look more faster cause of the speed of the piano and your hands go more faster is helpful When a time is needed But if you play too much you may have sore eyes cause of the momentum of the speed And we might get bored of it But at least we had a a chance to listen to Songs :) .