Okay… so basically you want an app that, when you press the app button (in the SmartApps section of the SmartThings mobile App), it will:
- Turn on selected on/off devices
- Turn off selected on/off devices
- Turn on selected dimming devices to a selected percentage
- lock selected devices
- unlock selected devices
Is this correct? I just want to understand exactly what you are looking for. Have you done any coding before? Are you looking for help with writing your own SmartApp?