The document outlines the features and design of a loyalty app called LUNCH4FREEAPP. The welcome screen would display a map centered on the user's location with top recommendations based on their profile, cards, stamps, distance to shops, and friends' recommendations. It would also include paid promotions from vendors. Users could manually select options based on type of cuisine, distance, ratings, and promotions. The navigation includes options for login/signup, welcome screen, shop overview, loyalty card overview, top cards, manual selection, shop details, rewards, and recommendations. Questions to consider include always-on battery usage, security, and transaction processing.