I have published the following app in Google play.
You can use basic strategy, card counting systems (Hilo, HiOpt II, Zen, Uston APC, Rapc) and betting spread as you will see from the application description.

https://play.google.com/store/apps/d...sino.bjcounter

Take a look of it if you are interested. Don't hesitate to contact me if you have any suggestions, additional knowledge or you don't like something in the app.

If you like the app share it with others!