Though everything is free at the time of this posting, that can change at any time. Make sure you check the price before you purchase!
A note on EasyPrint: this app helps you print documents from your Fire with wireless or network accessible printers. Depending on your setup, it could be great, but it may not work well for old printers.
Word Search - Games They Almost Always Come Home - Literary
4.7 stars over 74 reviews 4.0 stars over 100 reviews
EasyPrint - Utility Legends of Tsalagee - Mystery
3.2 stars over 32 reviews 4.2 stars over 24 reviews
Frontline Commando - Game w/ in-app purchases City of the Falling Sky - YA
4.7 stars over 544 reviews 4.8 stars over 39 reviews