Element web will work in your web browser but it not yet optimized for small screen (WIP).
Element app for android or iOS will not work without a virtual machine like Anbox.
The electron version of Element web doesn’t exist in ARM compatible binaries as far as I know and is not optimized for small screen (it’s no more than the Element web app but package with a modified version of chromium browser).
I hope Fractal will become a good alternative when it will be fully based on the matrix-rust SDK.