Live2DViewerEX Floating Viewer is a personalization app developed by Pavo Studio for Android platforms. It is an extension app that displays Live2D models in a floating window on the screen. The app can be used as a standalone without Live2DViewerEX installed.

The app comes with a variety of features that allow the user to interact with the model. Users can change the window position and size, as well as load workshop models, LPK models, and Json models. The app also includes a built-in workshop browser for easy access to new models.

One of the core features of this app is its use of Accessibility Services API to display a floating window. This allows users to interact with the character through the floating window. It's important to note that the app does not collect or share any personal or sensitive data using the accessibility capabilities.

Overall, Live2DViewerEX Floating Viewer is a great app for those who enjoy Live2D models and want to have them displayed on their screens. The app is easy to use and offers a variety of customization options.