Complex sentence: Flicking the bottom portion open, tiny little scrolls pour out into Ando's hand, and he begins to read them, he finds they were really letters from the past from Hiro, detailing his progression to make history right again.
Split into simpler sentences: Flicking the bottom portion open, tiny little scrolls pour out into Ando's hand. He begins to read them, finding they were really letters from the past from Hiro, detailing his progression to make history right again.