You should able to do:
- Architect Optimized Database Schema Designs.
- Write Backend Logic To Operate On The Data
- Write Front-end for Web, using HTML, CSS and JS
- Write Client Apps for Android.
- Configure Servers, HTTPS etc.
- Deploy Back-end To Servers
- Design Store Listing for Android
- Deploy Android Apps to Google Play.
So, in short, these are few to to-do list for you, still more need to done.
