Springs_Electronics via eBay offers the Griffin HELO Touch-Controlled RC Assault Helicopter for iOS or Android in Black, model no. GC30014, for $19.99 with free shipping. That's $20 under our March mention and the lowest total price we've seen. (It's a current price low by $7 but several stores charge closer to $50.) This helicopter is controlled with the HELO TC App, which allows you to fly around and launch missiles (six are included) with your iPhone, iPod touch, iPad, or Android device. The included "Flight Deck" plugs into your device's headphone jack and transmits an infrared signal to the helicopter.
Google Play offers downloads of Towelfight 2: The Monocle of Destiny for Android for free. That's $1 under our March mention (for Mac) and the lowest total price we could find by $1. Help Hardik and his pet pug Bella through uncharted territory using only Hardik's monocle to guide him.