Even if it uses a hotkey that is already in use, say the "p" since that is used by Print, if you press P it will cycle through the items that have P as a hotkey, then you just press Enter on the keyboard to select the one you want. That is still better than having to press the down arrow key 5 times ...
Yes, the right-click menu seen in the attached print screen. Note that TextPad does have a hotkey. I think there should be a hotkey for Compare like M or P.
When I highlight two files, a Compare right-click menu option appears, but the Compare does not have a hotkey. I use the keyboard more than a mouse and would like to be able to use the keyboard right-click key to give me the right-click men, then press the hotkey for compare to bring up ExamDiff Pro ...