When designing an app for wine drinkers, it is important to consider the needs and preferences of the target audience. Some potential features that could be included in the app are: 1. Wine recommendations: The app could use data on the user's past wine preferences to recommend new wines that they might enjoy. 2. Wine education: The app could provide educational resources on different types of wine, wine regions, and food pairings. 3. Wine tracking: Users could track the wines they have tried and rate them, allowing the app to provide more personalized recommendations. 4. Social features: Users could connect with other wine drinkers, share their experiences and recommendations, and even organize tastings or events. 5. E-commerce functionality: The app could allow users to purchase wine directly through the app, making it easy to try new wines and replenish their collection. Overall, the key to designing a successful app for wine drinkers is to provide value and convenience to the user. By offering personalized recommendations, educational resources, and social features, the app can become a valuable tool for wine enthusiasts.