[Q] Find out GAPPS version?

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http://forum.xda-developers.com – How can I find out which version of gapps (google apps) I have installed on my galaxy nexus? I deleted the archive both from my computer and my phone and I forgot which version I downloaded. Also I don't have access to my computer now so I can't check the browser history. My phone is running on CM10 and I have root access, so messing around with the system folders is not a problem. I need to find it out because yesterday I fresh-installed latest nightly of CM10 (not 10.1) and latest gapps for it and I have the photosphere option but when a friend of mine tries to install the version of gapps w (HowTos)