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 used it for months, but then my PC got hacked and I had to reset Windows. I didn't install it after but AdBlocker feature was really good. I didn't really use in-built VPN, because it DESTROYED my network speed