Not sure if this is useful for you as not mobile specific but these were issues I bought up with the W3C back in 2020 some of which may be of interest to you too:
https://www.w3.org/2020/06/machine-learning-workshop/talks/o...
Web AI Lead @ Google (machine learning in the browser, client side).
Connect with me on LinkedIn if you have questions: https://www.linkedin.com/in/WebAI
Or take my free YouTube course on Google Developers to learn more: https://goo.gle/Learn-WebML
Or just get inspired by folk just like you who are already using Web ML: https://goo.gle/made-with-tfjs