The developer of papermill, the first Instapaper app for Android has written an analysis of his first week on the android market. The app is priced at 3.99€ and it requires an Instapaper subscription to work.

Any android phone and most of the tablets have soft touch buttons (the search button, the back button, and the home button) and there are many rumors about a new iPad shipping without a hardware home button, but I’m not going to go further on speculations.1 I took so long...

Note 2016-02-15: The images have been all deleted since they returned 404 and no mirror was available.

Wil Shipley wrote an article on why developers like him need paid upgrades on the Mac App Store (and also on the App Store for iOs).