Tech'Swing Copters' may be as addictive as 'Flappy Bird,' beware clones with bad intentions Dong Nguyen releases a more difficult version of the 'Flappy Bird' formula to mobile devices. Nguyen's 'Swing Copters' game is met on launch day with a gallery of clones, and those clones need a close eye for malware exploits, McAfee Labs says.by Quinten Plummer
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