Amazon is giving away over $100 worth of Android apps in their app store. The apps, which Amazon dubs “Essential,”  are free Thursday, July 31, 2014 and Friday, August 1, 2014.

There is a nice variety among the 30 apps offered.  These include productivity programs such as an alarm clock, a PDF viewer, a photo editor, a calendar, even workout and travel apps, There are also apps for math and music, games, and language coaching. Instapaper and the Oxford Advanced Learning Dictionary are included among the selections.