1. Why use Android？

Because Android is stable, suppote multi touch screen, extendibility.

2. What languages are supported by the system?

We are online custom, according to your requirements for your exclusive development.

3. Does the rental stype support  system functions to expand？

If  you have any question please post your questions by WORK ORDER to system, including beauty interface etc.

4.  Why  technical maintenance have to charge？

Because the devewlopment needs to invest a lot of costs, product prices will rise.