Latest apps and updates to hit the Apple App Store today… Tracklings So you want to share your real time location with a select group of people, and for only a limited time. And, just as important, you need your phone to stay on the whole day and not get drained of battery power within 4 hours. Oh, and you want total control over the whole thing. Sound about right? Then Tracklings is the answer. A location sharing iOS app will be available for free this weekend only. Tracklings 1.2 helps you organize an event by sharing your location with other participants, but unlike common "I am here" applications, Tracklings…