Penpot’s open-source UX/UI software has taken the digital ... but it’s a different experience actually seeing your design on its intended handheld device. Mockup Mirror is a Penpot plugin ...

That includes titles on both Steam and Epic Games. Microsoft inadvertently included a mockup of this user interface as part of an official blog post titled GDC 2025: Opening a Billion Doors with Xbox.

The image looks to be an internal mock-up and not a finalized design (the "console" UI is just a bigger version of the mobile UI, and the "action-adventure" genre is listed twice). Sources have ...