PoS reward: fixed 1000 LANA + 7% (yearly)
PoS reward halving: 525600 (approx 5 years, halving only for fixed reward, 7% stays the same)
More coins you have in the wallet, more blocks you will validate and more reward you’ll get.
For now, only desktop wallet is able to stake LANAs.
The easiest way to see what needs to be done for staking is that you watch the video.