Chromecast users now have an official new app to play around with on their streaming stick.

Google has launched “Photowall” for iOS, an iPhone and iPad app that lets users create large interactive photo collages on their big screen TVs.

Here is the app’s official description:

Photowall for Chromecast is a new Chrome Experiment that lets people collaborate with images on the TV – using phones or tablets. Anyone can take a picture and send it to a Photowall to instantly see it on the big screen.

When you’re finished, a YouTube video of your Photowall is automatically generated. Perfect for sharing with everyone who took part.

With Photowall, anyone in the room with the iOS app can contribute their own pictures to the collage. Users can also use their touchscreens to doodle drawings on top of the images.

If you enjoy looking at walls of photos…Photowall has you covered.