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Yuki is the developer of Paper that can be found in the Productivity category. The latest release was on Jul 9, 2011 and the tool was downloaded and set up by over 10K users. On Google Play, this application was rated 3.1 by its users.
You are able to download the setup package of Paper 1.0.1 free of charge and have a look at users' reviews on Droid Informer. The app works fine on Android 1.6 and above. It's safe to download the app.