キストレ is a free sports game developed by KANAME Co.Ltd for Android devices. With its unique concept and gameplay, this game offers a refreshing twist to traditional sports games.

The game starts with the screen being displayed upside down, but don't worry, it's not a bug. This design choice was made to create a more challenging experience by making it easier for shadows to appear, based on the position of the brightness sensor.

To adjust the brightness, you need to move the character, called "ドロイドくん," on the brightness sensor settings screen. Once you're ready, swipe from left to right or right to left around the "Ready to Go" area to start the game.

Once the game begins, you need to place your smartphone on the floor and assume a push-up position. With a calm mind, you'll engage with the game wholeheartedly. When you're mentally prepared, let's try the "腕立てkiss"!

Get ready to challenge yourself and strive for a well-toned body with キストレ!

Note: This app utilizes voice materials from "あみたろの声素材工房" (Ami Taro's Voice Material Workshop).