Apple iPhone 4 and the App Store are both listed in the 2011 Book of World Records27
The App Store also received notice as the "Most Popular Application Marketplace" and the "Largest Downloadable Video Game Store." The people behind the 2011 Book of World Records released a statement that said that from the day the App Store opened its doors through September 2010, the online applications store had received over 6.5 billion downloads while hosting 259,740 apps. (In case you are interested, of that total, 61 of the apps are fart simulators). There were 37,362 games in the App Store as of last September, compared to the 1,400 available in Microsoft's Xbox Live Indie Arcade. The App Store also has the title of "Largest Launch Line-up of Any Gaming System" with over 500 available on the App Store's initial day of business.
Some developers also received recognition. Rovio's Angry Birds is now listed as the "Top Paid-For App Store Game in Most Countries." As of last October, Angry Birds was the top paid-for game in the App Store in a record 67 territories around the globe. Rovio's Peter Vesterbacka told the Global Mobile Internet Conference that total downloads of the game across all platforms had reached a whopping140 million.
Other games besides Angry Birds were up for awards. the "Fastest-Selling iPhone/iPod Strategy Game" with more than 300,000 paid downloads in its first nine days is PopCap's "Plants vs. Zombies" while "Tap Tap Revenge", with more than 15 million downloads, took the title of "Most Popular iPhone Game Series".
source: GuinnessWorldRecords via AppleInsider