Due to an influx of spam, we have had to temporarily disable account registrations. Please write an email to accountsupport@archlinux.org, with your desired username, if you want to get access. Sorry for the inconvenience.
BinderFS, which is necessary for running Waydroid, has been in upstream Linux kernel for a long time. In Fedora, standard Linux kernel has included binderfs since v5.15. Therefore, it would be better for Arch Linux to enable binderfs.