AntiLVL Android LVL Hack Remove License verification of Android
...However, it has been designed to get around obfuscation and to apply many variations.
AntiLVL is a configurable Smali code patcher with rules defined in user-modifiable XML files stored inside the jar called fingerprints. Brief summary of how it works:
Decompiles the Apk
Perform regular expression matching
Carrie out defined modifications
Recompile, update classes.dex
Resign and zipalign
Remove Google Play Store Check
JarSpy - The Java Archive Spy. JarSpy provides insight into the contents of Java archive files (.jar, .zip, .ear, .war etc.). Eventually, JarSpy will provide the ability to modify the contents of Java archive files for instrumentation, obfuscation etc.