Sensitive Altimeter. This Android application measures air pressure using internal barometric sensor in the portable device and displays it on a three-pointer altitude indicator similar to the altimeter gauge in aircraft. Digital indication is also available.
It can take a long time. Some employers move very quickly, and others move very slowly. People have been hired three hours or three months (or more) after interviewing. Moreover, hiring nearly always takes longer than employers expect it will; you should generally double or triple whatever timeline they give you.
1. sometimes you don't hear for up to 2 weeks after an interview. I wouldn't worry about it. That being said, some companies are fast and you will have the offer emailed to you by the time you hang up the phone(happened to me :)).