Google (NASDAQ:GOOG) is working on developing a new version of it operating system for Android called ‘Key Lime Pie’, according to sources on the Verge website.Android’s current OS is Jelly Bean, following the Ice Cream Sandwich.Google (NASDAQ:GOOG) has potential upside of 15% based on a current price of $621.25 and an average consensus analyst price target of $714.43.Google is currently above its 50-day moving average (MA) of $615.11 and above its 200-day of $570.64.In the last five trading sessions, the 50-day MA has remained constant while the 200-day MA has risen 0.39%.