Despite yeoman efforts by Google to close a critical hole in its Android mobile OS that allows any app to be turned into a malicious Trojan, programs are still appearing in the company’s Google Play store with the flaw. A number of apps containing the so-called MasterKey vulnerability were discovered by cybersecurity firm Bitdefender last week. “There is no need to panic right away: the applications contain two duplicate PNG files which are part of the game’s interface,” wrote Bogdan Botezatu, a senior e-threat analyst with Bitdefender. 
