It would be impossible to directly move iTunes Library.
Therefore, you may need some to move it.
I think that this guide should be helpful for you to achieve:
How to Move iTunes Library another Computer

There is no simple way to do the photo transfer on PC.
But if you tend to use Android Transfer, thing could get simple enough for you.
Here is a guide show you how to do it, check it out:
How to Transfer Photos from LG Android Phone to Computer

There is not much option for you since they are on different OS.
You may sync via Outlook, Google or other online services.
If you tend to do it, I suggested you try Phone to Phone Transfer
Here is a simple guide on it: How to Transfer Contacts from Android to iPhone
Hope it works.

Take a look at this: How to Recover Deleted Contacts on Android
You may simply restore deleted contacts with Android Data Recovery.

For further help, check this site: https://www.recovery-android.net/

A lot of guys may suffer from accidental file deletion on Android.
Therefore, a good Samsung Text Recovery is needed.
You may follow the guide below to recover all deleted Android files in once:
How to recover deleted texts on android