Players can then decide which cards to discard, which sets and sequences to concentrate on forming, & which cards to pick up. Observing carefully the cards that other players place down after51 bonus rummy app declaring their hand is another sophisticated tactic. Players can learn a lot about the kinds of sets and sequences their opponents are forming, as well as the possible value of their own hand, by watching the cards that are being laid down. Then, with this knowledge, one can strategically decide which cards to lay off onto the declared hand and when to declare their own hand.