During the scene that Hamlet added to the play, Claudius, as well as the other audience members, become visibly uncomfortable and leaves.
Claudius demands Rosencrantz and Guildenstern to take Hamelt to England "for everyone's safety." They accept the assignment.
Hamlet comes across a seemingly praying Claudius and contemplates killing him on the spot. But while deciding, he realizes that if he kills him while he's praying, Claudius will go straight to heaven. Hamlet decides to not kill Claudius yet.