What are the example of duplo and karagatan in Philippine lioterature?

Originally,duplowas a means introduced in the celebration to relieve the monotony and sadness of the prayers for the dead.While the karagatan is a native play; it is less formal than the duplo. among the Visayans karagatan is a parlor game. The duplo and karagatan are byno means plays po9ssessing a high artistic quality. They have no character delineation. They are both religious and social significance.