How to build the correct apk application and install on android?

Question

css

Good afternoon, tell me please, maybe someone came across or knows how to solve this problem.
There is an application on the phone to control the quadrocopter, I open the source code through sublim text, there is a maximum height of 500, I change it to 600, I pack it back and it gives the following installation error (seen in the screenshot). Please tell me how to pack or change the parameters correctly so that everything works. The apk file itself is https://yadi.sk/d/A3M78UkuMXuReQ
Thanks in advance!

Answer 1

https://jsfiddle.net/1z2hbamc/