Project has to have a proper layout and resources
It must have adequate pictures, layout
Proper documentation and comments.
Your mipmap has to be configured
The [login to view URL], [login to view URL] and [login to view URL]
You have to use the proper ID to call it in your java code
For your data you should either use Object oriented database with combination of array List or you can use API and SQLite.
The drawable folder has to be filled with the picture desired to insert into your app
Proper mipmap for your app icon has to be also set