As a continuation of the rest, yes, MOTODEV Studio has a multilingual editor strings.xml.
Install as a set of plugins in Eclipse by visiting the Eclipse Marketplace (Help-> Eclipse Marketplace) or by creating a new update site (Help-> Install New Software) and using https://studio-android.motodevupdate.com/android/4.0/basic as the address of the update site.
If it does not open automatically for the first time, right-click on the strings.xml file and select "Open With-> Other" and find "Localization File Editor". After that, he should open this editor every time.
Here's a YouTube video showing how this works: http://www.youtube.com/watch?v=0Asv-IoH9M0
Disclaimer: I am the product manager for MOTODEV Studio.
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