The Angry Birds Movie was the first movie to be based on an app, but it kicked off an avalanche that continued with The Emoji Movie and the upcoming release of The Angry Birds Movie 2—this changes what a video game movie can be, which marks a huge change for an industry that previously relied on consoles for their source material.
The concept of a video game movie is a highly-contested one in this day and age, especially as the definition continues to shift.
However, there are exemptions—some video game movies actually prove to be worth seeing.