Apps usually host #AppFriday Party on their Facebook Page: http://www.facebook.com/momswithapps.
On Friday 13th, 2012, Caboose – Learn to Recognize and Complete Patterns by AtReks is FREE. This is limited time ONLY! According to MomsWithApps
This Friday (January 13th, 2012), developers will be gathering at the Auryn Apps Facebook Wall at 10:00am Pacific Standard Time (San Francisco time) to share app news and deals. Please stop by to join the fun!