What are alternative ways to launch my app?

Question

I can launch my app by:

1. Tapping on its icon in launcher
2. Registering \"visible\" intent-filter (I mean - user clicks for example \"Send with..\" then

Answer 1

1. Tilt Your Phone and Wave your Hand (Basically using a Proximity Sensor to launch App's Intent)
2. Screen Tap And/Or Gesture to launch an intent (you can read about this HERE)
3. Plug any usb devices and put an intent filter in the manifest (If usb host mode available)