I agree that finding an icon that universally means "language" is a hard task. 
I thought about using different approaches and all can be misinterpreted:
The good part is that by complementing the icon with the current language name, the user can get a better idea.


The use of scripts to convey language is what Google Translate did with their icon: https://play.google.com/store/apps/details?id=com.google.android.apps.translate

The problem is that including several scripts will require to much detail for an icon. I tried to make a simplified version based on yours but trying to emphasize the idea of selection:



Inline image 1






Pau


On Mon, May 7, 2012 at 10:33 PM, Brandon Harris <bharris@wikimedia.org> wrote:

We had a conversation the other day about how the concept of an icon that says "change language" was a . . . formidable . . . design challenge.  I mentioned that I'd brought this up to the Design Guild a few months back, and we spent several hours talking about it.

They had some far-out concepts.  But the end boiled down to something like this:


Obviously, this is something I threw together in about 20 minutes. I pulled glyphs from the WP logo for it; the proportions are way off, and i don't know that it's going to work below 32 pixels.

Here's the thinking:

Indicating *languages* is next to impossible.
Indicating *scripts* is less so.
People will be more likely to recognize foreign scripts than foreign language names (e.g., if you don't speak a Latin script, "English", "Deutsch", and "Italiano" are going to look the same to you).
Opposition research showed that most of the more intelligent switchers depend on script-recognition than actual word recognition.

Thoughts?  I'm eager to think about this because I'm working on the "Wikipedia 2015" designs, and it's important to have a handle on this for them.

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Brandon Harris, Senior Designer, Wikimedia Foundation

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Pau Giner
Interaction Designer
Wikimedia Foundation