I got this app a couple of days ago. It's faster than Mehdoh or Rowi. It's different, but good. I enjoy using it. I wonder if the dev will make a trial version?
http://www.windowsphone.com/en-US/apps/ccec2be2-2996-4a25-b8e0-921f75087f0d
http://www.windowsphone.com/en-US/apps/ccec2be2-2996-4a25-b8e0-921f75087f0d