Reverse Engineering APK

Reverse engineering in the context of software is a process to understand the internal working or say the logic of the compiled and optimized and most probably obfuscated binary which is near impossible to directly understand by a Programmer. Reverse Engineering in the ideal sense would be to recover complete source code from the compiled binary then edit the source to make desired changes and recompile:: the code to generate the binary with original functionality but with changes desired by the programmer but in practical sense it is rarely possible to go all the way nor desirable to achieve the required the goal. The technique I applied here is to inspect the target compiled: library file narrowed down to just one or two Assembly instructions and replaced with unconditional branch instructions to bypass a section of code. Check out this ebook on it :)
https://mega.nz/#!x98VTaAI!D7k1yM2cmB4Xb0IMjbMg75ortOedCFaQTlqlOWe5fF8