I’ll tell you how to get the secret laser gun!
You see your throw items?

Yes? Okay, buy some water balloons!
Now, throw it at Dough Bot!
He crashes down.

Okay, so now search Otto above your friends list.

And now go to his condo

Talk with Otto

AND NOW! Look what you get!!

Wow! But you have to give it to Dough Bot to fix him :]
cool ha?!