Best Buy's quarterly earnings were below expectations but CEO Brian Dunn said that Sprint Nextel's (NYSE:S) HTC Evo smartphone is selling very well. During a conference call Dunn told investors that the "4G HTC Evo is the best selling device in Best Buy Mobile," adding that "Android platform sales are outstanding." Dunn was also upbeat about the upcoming launch of Apple's (NASDAQ:AAPL) iPhone 4 June 24. Article