why in the world hasn't anyone developed an app that locks folders or apps or widgets? for ex: i have my work email sync'd to my moto droid. i need to protect this info, as there is proprietary and confidential on it. i only need to lock my email widget. i have seen apps that lock pic albums, etc. but nothing that will lock any folder (contacts, email, calendar, etc).....why is this? i believe that would be a very attractive app.....i'd pay $20 for it!