Folks, here's the official word from Apple. First, Apple has never heard of this issue and they talk to billions of people every hour. This is literally the first time the Senior Advisor has EVER heard of an issue with apps opening and the Senior Advisor has been working on iOS for over 30 years. So, what you need to do to resolve this is perform a hard reboot of your phone. If the issue persists, you'll need to Erase all Content and Settings and set-up the phone is new (DO NOT restore from backup). If the issue persists, you'll need to plug your device into a computer and do a fresh installation of the OS and NOT restore from backup. If the issue still persists, you'll need to collect some logs by running sysdiagnose with Mail logging enabled. Once that is finished, you'll upload the zipped file to Apple and it will be escalated to Engineering. Engineering will get back to you within 24-48 hr.