Giving a reward
The main thing this app does: crediting a customer for what they just spent.
1. Choose the level
Pick the reward level, and the period it is valid for. The screen says "Scan the QR code or tap again to change reward level".
Screenshot to come: Choosing a reward level
2. Scan the customer
Scan the code on the customer’s phone. The reward is worked out from the level and the amount.
Screenshot to come: Giving a reward