Write an Android application to operate an existing android app

I have an android application that with some steps creates a Virtual Reality scene, I want a mobile application that can operate this app remotely via bluetooth or wifi. Things to be done: Step 1: The UI of existing app need to be copied to new app. Step 2: This new app should integrate with existing app and convey the required steps. Step 3: The Existing mobile app shows VR scene. Step 4: The new app should show what is scene in existing app while VR scene. Step 5: The New app should have joystick type button to move person using VR on the existing app. The details of the existing app will be given after chat, Kindly accept this offer only if you are confident to do this.