Need more hotkey?
Use notepad to edit setting.ini (in installation folder, normally is C:\Program Files\AutoMacroRecorder\setting.ini)
Change these:
[HotReplayKey]
0=
1=
2=
3=
4=
5=
6=
7=
8=
9=

---->
0=c:\program files\autostart.scp means Press Alt+Ctrl+0 to replay autostart.scp
1=c:\program files\your.scp      means Press Alt+Ctrl+1 to replay your.scp

and so on......
Remember to Quit AutoMacroRecorder and run it again to active these setting