One more time .
You need a developer for this .
And if you find one , he/sche can only build for one certain make / model .
Go try & read some on the matter ,
You find it not easy to do , but it can be done .
Once you decmpiled a system ,you can repropuce it

Ramesh can assisst you .
Fast compile is a great tool , am0ng others .

If you want to decompile better use Android Studio { richt_click AWD }