what are the penetration testing techniques for android application? -

i developed android application, want know penetration technique available testing secure application. can unzip apk , java files. tried using apktool on apk, java files converted smali format. there tool convert dex files java files?

i have set debuggable false, think logs won't visible when try dig in.

and, have used hardcoded string even, read somewhere use hardcoded strings.

sorry, missed out diva tool & apk inspector, app testing not able use properly.

what possibility 1 can penetrate through application , obfuscation in preventing?

any specific obfuscation achieve that?

you can try online apk decompilers , check datas visible. can try restrict proguard requirements.