Did a short search on the web, and came across "AirTurn," a manufacturer of control pedals for electronic instruments and computer software. The site did mention that they also supply holders for tablets (similar in function to a music stand for sheet music), and that their pedals are compatible with iPadOS, MacOS, Android and Windows, and communicate with these machines via bluetooth.
Sounds like they (or another manufacturer/seller of similar equipment could ba a solution for your situation. Here's a link to their home page: https://www.airturn.com
Regards,
Barry