The idea is contruct an easy Point of Sale.
The idea is make an app for android 4.1 Jelly Bean.
It must can interact with the same apps in other tablets via wifi, so if internet goes down it continue working via wifi or router red.
The main idea is have a point of sale fast easy, and simple thta people can use.
1) passsword of the user
2) Select tables
3) Add items
bases idea in [url removed, login to view]
Only for ast workers developers please