I wasn't an attack on your approach, that was my personal approach. 2 of the obfs I suggested have a remapper. Did you see a reply indicator?

Do not the proguard. It has almost no obfuscation, they added like 2 things just so they can append "Obfuscator" to their description. Free obfs generally don't make the cut. However, there are many commercial obfs that have been cracked/leaked/or have a free demo. So on a budget (Note, this is...