[Q] How Create An APK File From 2 or More APK Files topic

hi my friends ! i have one question from you!

i see many apps that after instalition them, they Install More than One app !! for examlple i install Snap Camera !! and after instalation i have snap camera AND SNAP GALLERY !

so how can i Creaate anything like this by myself without Coding ?? is there any way or Software that i can Import 3 or 4 Apk file and it create ONE APK file from them ???