Kids are currently getting a lot more screen time than normal, but a new app proves that doesn’t have to be a bad thing.

Kuato Studios has upgraded its free Marvel Hero Tales app to include a narrative action system (NAS) that teaches kids language skills while they play. Kids ages 7-11 can personalize their educational experience and join Marvel favorites such as Spider-Man, Hulk, and Iron Man on the journey to becoming a better storyteller.

The track-system in the game allows it to make adverbs a key part of the play experience. Kids select a specific adverb so they can interact with objects. Each choice a kid makes leads to a scenario in which they must create a sentence to show what they want their character to do next. This gives kids the ability to create the story themselves, effectively teaching them some language skills while they save the world.

Kuato based the NAS on essential skills learned from a collaboration with the Center for Applied Language Studies at the University of Portland Oregon. This means that parents can feel good knowing screen time can also mean learning time. Find the app at the App Store or on Google Play.