Mac people are gonna like this idea...
How about if you just hold down your command key in photo mechanic for 3 seconds, and a photo mechanic cheat sheet pops up on your screen? Cool, right?
But it would be even cooler if it worked in photoshop too, right? And Lightroom! Aperture! And Google Chrome! Your favorite raw processor! Wouldn't that be awesome? You wouldn't need keyboard shortcut refcards for any of those apps anymore!
There's an app for that! And it's free!
http://cheatsheetapp.com/CheatSheet/Some time ago I think I put in a product suggestion that Photomechanic make the list of the keyboard shortcuts available with just one click or two. This app is precisely what I was looking for -- and it works really well in every app I've tried with it.
I have no idea if it can correctly deal with international keyboards and character sets, but it costs nothing but a bit of time to find out.
(And, OMG, has anyone seen this kickstarter project that attempts to create a custom photoshop keyboard that eliminates the need for shortcuts? so far, $17,000 has been pledged to fund this thing. ugh..
https://www.kickstarter.com/projects/5074048/special-dedicated-editing-keyboard-for-photoshop)