Design a Shopping Aggregator App

Looking for a sleek and intuitive UX/UI for a new andriod mobile app. This app will aggregate deals from Indian e-commerce providers and currently targeted at andriod mobile phones only. More variants would be needed later e.g. tablets, iphones. Use Stories and sample apps would be provided. Deliverables 1. Low Fidelity UX Wireframe prototype 2. High Fidelity UI prototype 3. 1-2 iteration of updates based on user testing 4. Editable Source project in any free open source tool