Hey Turtle is a free messaging app developed by Sleeper Cell AB for Android 9.0 users. It falls under the Games category and offers a unique experience of exploring relationships.

The app allows you to communicate with Dana, your work colleague turned love interest, and learn more about your relationship. You can make your own choices that will influence the story and decide the future for you and Dana. The app provides an interactive experience that lets you explore different relationship scenarios.

The messaging interface is simple and user-friendly, making it easy to navigate. The app also offers a variety of emoticons and stickers to express emotions during conversations. Overall, Hey Turtle is an intriguing app that offers a different way to explore relationships through a messaging app.