"Why not adding fancy buttons when you could fix serious issues" - Android devs everyday

Oh, yeah, and the battery issue without having the ability to change the behavior of app, background apps and whatnot. Cuz battery is the forbidden apple that Android loves to feed on so muchhhh

LXC/LXD containers are awesome for Windows VirtualBox users. It would allow creating a single Linux VirtualBox VM and then create multiple LXC containers (full-blown Linux machines) utilizing all the full resources of host Linux VirtualBox VM, keeping it always a clean image. Super efficient utilization of RAM and storage. No need to create multiple VMs for different Linux OSs.