The phrase "app game" refers to a type of video game that can be played on a smartphone or tablet using a mobile application (app) installed on the device. Full definition
Unfortunately, the industry has expanded so much that many mobile developers utilize similar features in app games, making the civilization building and military warfare strategy games very widespread. (joystikrevolution.com)
Perhaps you are a late adopter to the dating app game. (emlovz.com)
I also play way too many app games than is probably healthy. (mypotatogames.com)