nds4droid by jeffq is a free, open source Nintendo DS emulator written for Android smartphones. It is based off of the excellent emulator DeSmuME. The source code can be found on sourceforge.
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Changes:
* Performance enhancements (most games should see around a 5% increase)
http://jeffq.com/blog/nds4droid/
This article is over 2 years old — the linked page may have changed, moved, or been taken over since then.
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