I'd like to create a VR application for the Vive that...
1) Allows launching third-party VR games within a VR world (initially just hovering a laser pointer over a game image and pulling the trigger)
2) Shows an overlay when the System Button is pressed on the Vive controller with custom content
I've prototyped #1 and this seems straightforward to implement; however, showing an overlay in a third-party game when the System Button is pressed seems tricky. This link seems to indicate that...
VR Game Launcher + In Game Overlay
1) Allows launching third-party VR games within a VR world (initially just hovering a laser pointer over a game image and pulling the trigger)
2) Shows an overlay when the System Button is pressed on the Vive controller with custom content
I've prototyped #1 and this seems straightforward to implement; however, showing an overlay in a third-party game when the System Button is pressed seems tricky. This link seems to indicate that...
VR Game Launcher + In Game Overlay