The lockscreen is unique in that the way to unlock the screen is to perform a very small volunteer task. Therefore, you will perform a volunteer work every time you unlock the screen.
The volunteer tasks are provided from the the Crowd4U microvolunteer Website. You can get the detail at http://crowd4u.org.
Your name (handles are allowed) will be listed at:
★ How to install and configure it.
1. First of all, download, install and start the app.
You can choose favorite tasks if you take the following additional two steps:
2. Visit http://crowd4u.org and click on the "login/signup" to create your account.
3. Click the "Set tasks to the screenlock app" at the left menu bar and follow the instruction.
★ How to use it.
・Slide one of the buttons to unlock the screen.
・Tap the X-mark button to skip the task.
・Tap the X-mark button when there is something wrong with the behavior of the app.
・To disable the lockscreen, uncheck "enable Crowd4U lock screen" on the configuration page and then tap the back button at the bottom of the screen. There is no "submit" button there.