Support now on kickstarter: http://www.kickstarter.com/projects/6438588/sombreros-for-the-android-world
Most of gnuplot ported.
Can be used standalone or be used by other apps.
Used by Addi only right now. Addi is a tool like Matlab or Octave. If you are a dev and want to use this as your plotting engine, contact me.
Some terminal types currently not supported (PNG, BMP, JPEG), but will be later.
Mouse/touch interaction for zooming currently not supported, but will be later.
Author: Corbin Champion
Market link: com.addiPlot
Web site: http://addi.googlecode.com
Market downloads: 10,000-50,000
Market rating: 3.9 / 5.0