Non-skippable VASTad in pre-roll
This is the only kind which works on iPhone and other devices which play video with built-in player. The skippable type requires a custom button and it can’t be added to the built-in player.
Skippable VAST ad in pre-roll
When it comes to mobile devices, this type will only play on iPad and Android 4, but not in iPhone.
Skippable VAST ad in mid-roll at 0:30 and 2:00
The mid-roll ads need to be fixed for mobile devices.
Multiple fallback Skippable VAST ads
Non-linear image/text/flash ad
This uses the Google AdSense test tag from their Integrate the Google IMA3 SDK into your player page.