Today's Free App of the Day is Box It! 2
Originally $1.99

This is a puzzler with so-so reviews. However, the main thing for me is that my virus protection flags it as having adware, so I didn't install it.

From the product page: Play a mind-bending puzzle game Enjoy 100 levels of addictive fun Challenge yourself to find the gold of Ollantaytambo Seek out Urcaguary, the great God of metals, jewels and items of great value, to help you on your quest through the ruins

3.1 of 101 reviews are four stars and above.

These apps are compatible with the original Fire and with my Fire HD 8.9" 4G. To tell if an app works for your Fire HD or other Android device registered to your Amazon account, click on the above link and look on the right side of the web page. Amazon will tell you if it will work with your registered device.

Have fun!

Also check out the other digital deals from Amazon, including great deals on MP3s and videos: