ok, just took a look and seems like daniel15 hasnt updated the package yet for 1.1.2
Strange, my package should work fine on SMF 1.1.2 - I'm using it here (admittedly, the one here is the development version, but it's essentially the same at the moment).
The package-info.xml file has:
<install for="1.1 RC2, 1.1 RC3, 1.1, 1.1.1-1.1.99">So it should support all future versions in the SMF 1.1 branch as well
Pictures are better than words ....
As Feeble said, it looks like the Shop.english.php file is missing or corrupted. Check your error log and see if anything is in it. Also, look in the Shop.english.php file, and see if the stuff really is in there (it may be blank)