I ran across this app in another thread and I haven't personally tried it and I don't know how it would interact with AE Buttons Plus. With that said, its supposed to give you access to map some of the keyboard keys.
Here is a
LINK
It's called PQzII and is freeware.
* Automatic SIP changer (responds to the portrait/landscape mode.)
* Hardware key assign (CTRL/ALT)
* Task switch and terminate
* Symbol input window
* Task terminate by the OK button
* Keyboard shortcut (Task/Restart/Suspend/etc...)
* Hardware button assign (TEL/Camera/Sound record/etc...)
* Application launcher (CTRL/ALT + optional key)
* Control panel shortcut (CTRL/ALT + optional key)
* Dial shortcut (CTRL/ALT + optinal key)
* Text template window
* Text history window
* Keycode convert
* Changeable PQzII icon
* Hardware key assign (IME)
* gsGetFile.dll support (to select files from all folder becomes possible)