Hi @Sakata, Yuna
According to the official documentation description, you can use Whiteboard on Microsoft Teams Rooms (MTR) Android devices, but the features depend on the type of device you are using.
For MTR all-in-one devices, you can use Whiteboard on the main touch display. All-in-one MTR devices offer a complete customer experience, including interactive touchscreens. You can interact with whiteboards on all-in-one devices, although you cannot launch a whiteboard during a Teams meeting. Another participant in the meeting must first share the whiteboard.
For MTR tabletop devices, you can use Whiteboard on a secondary touch display if available. Currently, you cannot share a whiteboard while using Microsoft Teams on a touchscreen device. Another participant in the meeting must first share the whiteboard. Once a whiteboard is shared to the touch screen, you can use all common features.
More details about Whiteboard with device, you could refer to:
https://support.microsoft.com/en-us/office/use-whiteboard-on-mtr-all-in-one-devices.
https://support.microsoft.com/en-us/office/get-started-in-whiteboard-with-mtr-tabletop-devices.
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