There's something about alcohol that compels you to contact people. Most of the time, the drunken calls or messages you send out will have you cringing hard tomorrow morning. But if you have a jailbroken iPhone, you can help prevent this potential embarrassment with a free tweak.
The practice of using sound to trigger augmented reality interactions hasn't been widely used, but a new experience is so impressive that it could kick off more use of the dynamic.
The Play Store hasn't been the most secure place for apps lately. A quick Google search for "Play Store malware" will give you a taste of some of the malicious apps that snuck their way onto Android's official app store. Google is aware of the problem and they're tying to fix it, but their new Play Protect program doesn't have a great track record, so you might want to look elsewhere.