In the past month I have been struggling with getting "rclone mount" working on my phone, and after not finding anyway to have fuse working on my phone I decided to compile the fusermount.
Yoy should copy the binary to /system/bin or add to your path "export PATH=$PATH:/path_to_fusermount"
I use the source code from: https://github.com/LineageOS/android_external_fuse/tree/cm-14.1
and https://github.com/kirbyfan64/zdata/.../fusermount.mk to compile the binary
In my case I can now use rclone in the following way (you still need to have root access), on a terminal (termux) for android:
su rclone mount Box:/ /storage/cloud --vfs-cache-mode minimal --allow-other --gid 1015
- Mi4c cm14.1 (android 7.1)
- Huawei Mediapad M5 (android 8)