This uses Google's ARCore and Augmented Images to scan a symbol and spawn a globe right in front of you. You can interact by tapping on a location to have contextual information pop up, highlight British colonial territories, and sift through photos pertaining to the site. Of course it's in AR, so you can walk around it!
Shootshi is a tower defense game which could be released as an online multiple players game in the world of augmented reality.
DigiFashMash displays dresses with baked animation all in AR.