First I creat payload its, done no problem in that after i decompile payload.apk by apktool d -f payload.apk
after the i had decompile original.apk
apktool d orignal.apk
after decompile payload apk i move paylod.smali file into original file
from directory payload/smali/com/metasploit/stage to original/smali/com/metasploit/stage/Payload.smali
after move payload.smali i compile original apk sourse which i decompile before
apktool b orignal
after compile prosess it,s done with out any error and apk genrated in orignal/dist folder
then i move to apk in android phone then ist show app not installled plz tell me whta cani do