How to Bind Msf Android Payload to Legitime App?

I have take the source code of metasploit android payload

i have make it fud by change package folder

i change icon and name

i make it persistance also

but my problem is how i can bind it to another app?

i make some progress but when i install the app on my phone i see 2 apps the one is the normal app and the other is the msf payload

any help?