Live2DViewerEX Motion Tracker is an extended application of Live2DViewerEX designed for iPhone users. This app allows users to track face and hand motions through their iOS device and transfer the data to Live2DViewerEX for PC via network.

The app offers several notable features. Firstly, it supports remote control, enabling up to 8 devices to control 8 models simultaneously. The face tracking feature is powered by ARKit and ULSee, providing accurate and responsive tracking capabilities. Additionally, the app utilizes Mediapipe to track both face and hand motions.

Live2DViewerEX Motion Tracker supports both portrait and landscape orientations, ensuring flexibility for users. It is compatible with devices running iOS 11 and above.

It's important to note a few considerations with this app. The ARKit face tracker can only run on ARKit supported devices, while the Mediapipe face tracker may not function optimally on older devices. Furthermore, the iOS device and computer need to be connected to the same LAN for proper functioning. If connection issues arise, it is advised to check if the app is being blocked by the firewall.

Live2DViewerEX Motion Tracker utilizes the device camera and the TrueDepth API provided by Apple to automatically collect information for face and hand motion tracking. However, it is crucial to mention that none of the collected information leaves the user's device or is persistently stored on the device. The app does not share any information with third parties and does not process the data accessed via the TrueDepth API in any other way.

Overall, Live2DViewerEX Motion Tracker is a useful app for individuals interested in controlling character motions through face and hand gestures. Its remote control feature, accurate tracking capabilities, and compatibility with iOS devices make it a valuable tool for Live2DViewerEX users.