Angry Birds Stretch

"Easy to pick and play, no social features!" Angry Birds Stretch is a hinted at April Fools game on the Angry Birds YouTube channel on April 1st, 2017. It's basically a reskin of the game Snake, but with the pellets replaced with eggs and the snake replaced with a long version of Red.

Video Description:
"Coming soon to an app store near you! Angry Birds Stretch!: Anger just got longer. Looking for that classic Angry Birds slingshot gameplay? Look no further than Angry Birds 2 because Angry Birds Stretch! puts our familiar fierce fowl in a totally new, never before seen environment and gameplay experience. Play from a top down perspective as Red races around the play area, gather eggs to make Red grow and to increase your score. Hit a wall and it’s game over! Squawk! Angry Birds Stretch! hits app stores very soon for the limited-time launch price of only $9.99.

Read more: rov.io/AngryBirdsStretchBlog"

More info
Although the game doesn't exist currently, there is a website called "angrybirdstretch.com" which states that there is a possibility of making a fangame of the hoax with more features, like boss battles and global leaderboards. It is unclear when more information about the project will come out.