[Android Apps and Games] zdoe:
f2fs

here is mount -output:

cedric:/ $ mount
mount
rootfs on / type rootfs (ro,seclabel,size=1385172k,nr_inodes=143111)
tmpfs on /dev type tmpfs (rw,seclabel,nosuid,relatime,size=1466112k,nr_inodes=143644,mode=755)
devpts on /dev/pts type devpts (rw,seclabel,relatime,mode=600)
proc on /proc type proc (rw,relatime,gid=3014,hidepid=2)
sysfs on /sys type sysfs (rw,seclabel,relatime)
selinuxfs on /sys/fs/selinux type selinuxfs (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,seclabel,relatime)
none on /acct type cgroup (rw,relatime,cpuacct)
tmpfs on /mnt type tmpfs (rw,seclabel,relatime,size=1466112k,nr_inodes=143644,mode=755,gid=1000)
none on /dev/cpuctl type cgroup (rw,relatime,cpu)
pstore on /sys/fs/pstore type pstore (rw,seclabel,relatime)
/dev/block/bootdevice/by-name/system on /system type ext4 (ro,seclabel,relatime,discard,data=ordered)
/dev/block/bootdevice/by-name/userdata on /data type f2fs (rw,seclabel,nosuid,nodev,noatime,nodiratime,background_gc=on,discard,user_xattr,inline_xattr,acl,inline_data,nobarrier,extent_cache,active_logs=6)
/dev/block/bootdevice/by-name/cache on /cache type ext4 (rw,seclabel,nosuid,nodev,noatime,data=ordered)
/dev/block/bootdevice/by-name/persist on /persist type ext4 (rw,defcontext=u:object_r:persist_file:s0,seclabel,nosuid,nodev,relatime,data=ordered)
/dev/block/bootdevice/by-name/dsp on /dsp type ext4 (rw,seclabel,nosuid,nodev,relatime,data=ordered)
/dev/block/bootdevice/by-name/modem on /firmware type ext4 (ro,context=u:object_r:firmware_file:s0,nosuid,nodev,relatime,data=ordered)
/dev/block/bootdevice/by-name/oem on /oem type ext4 (ro,seclabel,nosuid,nodev,relatime,data=ordered)
/dev/block/bootdevice/by-name/fsg on /fsg type ext4 (ro,context=u:object_r:fsg_file:s0,nosuid,nodev,relatime)
adb on /dev/usb-ffs/adb type functionfs (rw,relatime)
tmpfs on /storage type tmpfs (rw,seclabel,relatime,size=1466112k,nr_inodes=143644,mode=755,gid=1000)
/dev/block/loop0 on /magisk type ext4 (ro,seclabel,noatime,data=ordered)
/dev/block/bootdevice/by-name/system on /dev/magisk/mirror/system type ext4 (ro,seclabel,relatime,discard,data=ordered)
tmpfs on /system/xbin type tmpfs (rw,seclabel,nosuid,relatime,size=1466112k,nr_inodes=143644,mode=755)
/dev/fuse on /mnt/runtime/default/emulated type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/fuse on /storage/emulated type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/fuse on /mnt/runtime/read/emulated type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/fuse on /mnt/runtime/write/emulated type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/block/vold/public:179,65 on /mnt/media_rw/CC6E-7680 type vfat (rw,dirsync,nosuid,nodev,noexec,relatime,uid=1023,gid=1023,fmask=0007,dmask=0007,allow_utime=0020,codepage=437,iocharset=is
o8859-1,shortname=mixed,utf8,errors=remount-ro)
/dev/block/vold/public:179,65 on /mnt/secure/asec type vfat (rw,dirsync,nosuid,nodev,noexec,relatime,uid=1023,gid=1023,fmask=0007,dmask=0007,allow_utime=0020,codepage=437,iocharset=iso8859-1
,shortname=mixed,utf8,errors=remount-ro)
/dev/fuse on /mnt/runtime/default/CC6E-7680 type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/fuse on /storage/CC6E-7680 type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/fuse on /mnt/runtime/read/CC6E-7680 type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/fuse on /mnt/runtime/write/CC6E-7680 type fuse (rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
cedric:/ $

so data partition is f2fs. and i'd like to mount a folder on that to externalSD (fat32).