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.
I played and completed task from mobile and today , but on giveaways this task still don't work : '' Get Soul Gems from using our new feature - App Zone '' I tap Verify and then shows me fail ..