I had the thought of modifying X kernel ro get newer Aliendalvik to work, but someone who knows better than me said it will never work. I guess it’s bigger than just adding modules, etc…
But I don’t know if that necessarily means you can’t run container on it. However, in the early days of @edp17 's containers thread on TMO, I did test requirements on my X, and the kernel is lacking MULTI_INSTANCES support, so as-is, it cannot run containers, but possibly could be rebuilt for that…
See this post and leading up to it - maemo.org - Talk - View Single Post - Full linux distros on Sailfish OS