Today we have released a new app (in arabic) in play store "أنا وسلتي" and here an english version with full source code.
Database mySQL: http://3msoft.net/mhmd/mycartmysql.sql
Project port: 4742 with exe: http://3msoft.net/mhmd/memyselfandcart.rar
Online test: http://5.189.151.122:4742/m
Play store: https://play.google.com/store/apps/details?id=com.msoft.anawasallati&hl=en (arabic)
There is a registration step where the user enter his info and there is 3 welcome screens, the app saves the login data in cookies and the second time user login the app starts auto.
The user can share his data with others easily.
I hope this will help you in anyway...