1. Firstly go to play store and download a app called app cloner.
2. now install it and open it.
3. Skip all statements and then it will ask you to buy premium version then just click on maybe later
4. Now select the app of which you want a clone app.
5. Now select a app and then the clonning screen will open.
6. It consist clone number it means how much clone you want of that app.
7. you can change the name of cloned app and change its icon color and many options.
8. then click on tick sign and then it will show you a warning just click on ok now your cloned app has been created.
Note- If you are having premium version of app cloner then you can be a developer of app that you have cloned.