Here's a cool theory that someone came up with on facebook.
Rememebr how angry Kylo Ren was when he learned a girl helped the droid escape?
The theory is that he himself left Rey on Jakku. When it came time to kill all of Luke's students, he could not bring himself to kill her, so he had to hide her away. He also might have had a hand in leaving the Falcon there as well. It was Kylo Ren who killed Constable Zuvio with his lightsaber there.. and it did look like a First Order drop ship (from the beginning of the movie0 that her parents left in.
Rememebr how angry Kylo Ren was when he learned a girl helped the droid escape?
The theory is that he himself left Rey on Jakku. When it came time to kill all of Luke's students, he could not bring himself to kill her, so he had to hide her away. He also might have had a hand in leaving the Falcon there as well. It was Kylo Ren who killed Constable Zuvio with his lightsaber there.. and it did look like a First Order drop ship (from the beginning of the movie0 that her parents left in.