Angry Birds (video game) featured app on the UK App Store in February 2010 and quickly reached No.1 there, it reached the No. 1 spot on the paid apps chart in the US App Store in the middle of 2010 and then stayed there for 275 days. The initial cost to develop "Angry Birds" was estimated to exceed €100,000, not including costs for the subsequent updates. For the iOS version, Rovio partnered with distributor Chillingo to publish the game to the App Store. Chillingo claimed to have participated in final game polishing, such as adding visible trajectory lines, pinch to zoom, pigs' grunts, birds'
Angry Birds must keep the characters relevant until then, by producing sequels or new ports of the original game. "Angry Birds Toons", a TV series based on the game, made its debut on March 16, 2013. "Angry Birds Toons" is released through third-party video distribution platforms, including Comcast's Xfinity On-Demand in the US, Samsung Smart TVs, and Roku set-top boxes. It is also available in a number of countries on traditional television broadcasts. "Angry Birds Toons" is available on mobile devices by an additional "Angry Birds Toons" channel on all of the "Angry Birds" apps homescreens. DVD version for the TV series