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.
It doesnt properly seperate ios and android specific games. Ive come across several broken links to earn gems for the dragon game and league of angels theyre a black screen or said not found .