An urgent incoming call lets you escape from a boring meeting.
When you move your phone, an incoming call screen is shown on your phone and you can hear a vibration sound.
Vibration is not an actual vibration. It's a sound only.
You can use the acceleration sensor to get an "fake" incoming call, but you also get it by manual.
When you tap the incoming call screen, it goes to on line screen.
By tapping on line screen, you can back to the setting menu.
The screen size is fit for 1,280*720, suitable for Galaxy S3.
Tesetd on firmware version LG3(Android 4.0.4) of Galaxy S3 LTE(SHV-E210S, SK telecom).