Not sure if this has been covered anywhere, but regardless:

Contents of mmc:
/media/mmc1/myapp

in /home/user/MyDocs:
ln -s /media/mmc1/myapp myapp

vi /etc/fstab as root
remove nosuid,noexec:
/dev/mmcblk0p1 /media/mmc1 vfat rw,noauto,nodev,utf8,uid=29999 0 0

save, mount -o remount /dev/mmcblk0p1

./myapp

done.