페이스미러 - 남이 보는 내 얼굴 거울 mirror, developed by jun.studio, is a free lifestyle app available for Android users. The app is a simple mirror that allows users to see their reflection on their phone screen. It also includes a few additional features such as a flip mirror function, a freeze frame option, and the ability to adjust the size of the reflection. Users can also view their reflection in a grid format.

The app's unique selling point is that it allows users to see how they look to other people. With the tagline "true face," users can use the app to see how they appear to others and make any necessary adjustments to their appearance. Overall, 페이스미러 - 남이 보는 내 얼굴 거울 mirror is a straightforward app that delivers on its promise to provide users with a simple mirror for their Android device.