Following features are available in our android shopping app.
1.) Category Listing
2.) Product Listing with detail page ,description and pictures.
3.) Search feature
4.) Integration with web E-commerce site (like if user add to cart in app, same user can see his cart in web application).
5.) Add to cart process with check out.
6.) Email notification.
7.) Google Cloud messaging and fire base integration to send notification to app subscribers.