What's your favourite mobile game?

Do you follow certain storytelling techniques to give that rush and the sense of completion that you spoke about?

Also, what kinds of games sell the most?

What's the one ingredient in a game that makes it addictive?

I've come to realise that I actually read books only on the second read. The first time around, I just read to know what happens in the end. Only the second time do I actually read it, carefully going over every line and enjoying it. Only some books make the cut for a second read, though...