Sure , it is not difficult for us, but if you are a beginner . i think you can try this way to complete the Andorid messages transfer to iPhone program,
1: Open your messages from your Android phone.
2ress the Menu button and then select the More option from the list of menu items.
3:Select the messages to transfer
Of course,you need to be finished with the help of the transfer tool
I hope this can be helpful!