I think, this app is useful for app2sd user. [It's based on Open Manger. just modified the apps for rooting user]
Move a App to SD. and make a symbolic link only "APK files".
A. Rooted device.
A. After rooting , install a app2sd.. [do not move a apps to SD. just install]
B. select a app , which is big size, sometime using, but do not want remove.
C. move a only APK to SD card. and make a symbolic link by this apps.
3. if you want more detail. visit to here " flywithu.com/entry/rootedexplorer "
the file status is "lrwx" then, "l" menas "symbolic link" , "r" => "read able". "w" => "write able", "x" => "execute able"