"Copy data to iOS" is a simple simulation of copying contacts, messages, gallery etc. form Android to iPhone/iPad. It's a quick tool to transfer all your personal data between Android and iOS systems. You don't have to do it manually – this app contains useful step-by-step tutorial how to transfer every kind of data to Apple system.
You don't have to be a specialist – all you have to do is to enter the PIN code from iPhone and select which data should be transfered. Remember that this is a simulator, so it was made for showing people that transferringg between Android and iOS is possible – but to do it in real you have to download official app from Apple Inc. You can practise copying data to iOS with this app!