# App overview

- [General Mechanics](/white-paper/app-overview/general-mechanics.md)
- [Login & Sign Up](/white-paper/app-overview/login-and-sign-up.md)
- [Wallet](/white-paper/app-overview/wallet.md)
- [Energy](/white-paper/app-overview/energy.md)
- [Level & XP](/white-paper/app-overview/level-and-xp.md)
- [Reward Calculation](/white-paper/app-overview/reward-calculation.md)
- [Referral System](/white-paper/app-overview/referral-system.md)
- [Snaps NFT Market Place](/white-paper/app-overview/snaps-nft-market-place.md)