Totally different game from others that you have already tested. If you need some experience in kissing then you should try your best to test yourself in the real time condition. Kissing express is the game, in which your main aim is to kiss him or her. So That is the main plot of the game, but in general it really depends on many things. If you already want to test the game, just take some time to explore each and every step to cover all the details about each level.