Does Mikrotik provid API interface functions for Android developers？
http://wiki.mikrotik.com/wiki/API
There are examples for all kinds of programming languages.
… including Java, which is what Android applications use.
you can use my library
Add to your android project
implementations'sy.iyad:mikrotik:1.11.3.0'
Or show on github
https://github.com/iyadseizer/mikro.git