Application created for collecting information about level of customer satisfaction. Can be used in any cases when a customer wants to show his/her opinion about the service.

Application has some additional functionalities in order to improve process of receiving feedback from clients:
- preventing from turning off device's display
- restarting application and preventing from unauthorized closing by forcing password (can be enabled/disabled in settings)
- turning on display after turning off by using device's power button

Demo version has a few limitation compared with the full version.