I bought 3 baby puffer fish and they don&#39;t seem to be eating pellets, flakes or bloodworms.
Apk is the android package. R.java (auto generated file) when compiled along with .class (java classes) generated .dex file but these files are not deployable. .dex files are then reprocessed along with manifest file, and other resources (mp3, video, image) and .apk file is generated. This file is deployable.
Decompile the APK using this website (it is a very good one) Android APK Decompiler. Also decompile the same apk using APK Studio &#124; Android Reverse-Engineering. You create an new android empty project. Then get .java files from the first decompiled project (using the website) and get res folder from the second decompiled project (using apk studio), the Manifest file is generated in both methods. Now you change what you want to, and compile(since you have everything). If you just want to change some variables or the project namespace ...