[protonmail]

Hi! Thank you for your feedback. Regarding the Android app, we've recently rewritten it from scratch and the rewritten version is now available in beta to all of our users (just join the beta via Google Play Store). Once it's out of beta (which should happen in the coming weeks), we'll start adding new features to it.

Regarding the web app on multiple desktop devices, we recommend that you contact us at: https://proton.me/support/troubleshooting?product=mail and our support team will look into it.