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.
pung mobile seems more famous than the pc one as it has so many downloads and youtuber for mobile which one do you think is more famous and awesome pc or mobile