Using this free app called Hammer, you can instantly get an opinion (good vs bad) about anything from friends or people around the world, right on your phone. It requires you to signup for an account and once done, you can start ask for opinions. The process is simple, select a photo, choose the category for your question and post it. The app even lets you set a target audience — male, female or only friends. Like a social network, you can invite and add your friends plus chat with them from within the app. Obviously, you can also share your opinion on photos shared by other users and leave comments. A nifty feature is the scrolling news section that keeps you updated about events from across the world. click here to download (Android).
