Since Karabiner doesn't work on Sierra ATM I tried to find a replacement. Looked at BTT & Keyboard Maestro but apparently this is the only one that will let you

Since Karabiner doesn't work on Sierra ATM I tried to find a replacement. Looked at BTT & Keyboard Maestro but apparently this is the only one that will let you assign different actions to the right/left option and command keys. E.g. RightCmd+Up = Home but LeftCmd+Up = Cmd+Up