v1.40 Update on Viewport is now available.
It contains an additional contect pack called EVERYTHING BEHIND. This pack features 14 new stages, a variety of new shape items and 4 new achievements. The whole contents doesn’t require additional in-app purchase while it requires players to finish the original campaign stages first.
The game is available on both iOS and Android supporting two languages, English and Korean. You can download Viewport at Google Play Store and App Store.
P.S. It’s actual game title used on each store is ‘Viewport - The Game’ due to existence of another app with the name ‘Viewport’.