FYI, new Kindle apps:
The Hardest Game (A Number Puzzle for Kindle) by Nice Games ($0.99)
Mystery Castle: Web of Confusion (A Game for Kindle) by Runestone Games Limited ($1.99)
infix: The Awakening (Interactive Fiction for Kindle) by black belt games ($1.99)
infix: Fail-Safe (An Interactive Fiction Title for Kindle) by black belt games ($1.99)
Messages from the Future Part 1 (An Interactive Fiction Series for Kindle) by brainy4fun ($2.99)