Gold / LeafGreen: Its lips are the most sensitive parts on its body. It always uses its lips first to examine things.
Silver: It always rocks its head slowly backwards and for wards as if it is trying to kiss someone.
Crystal: The sensitivity of its lips develops most quickly. It uses them to try to identify unknown objects.
Ruby / Sapphire: SMOOCHUM actively runs about, but also falls quite often. Whenever the chance arrives, it will look for its reflection to make sure its face hasn’t become dirty.
Emerald: It actively runs about, but also falls often. Whenever it falls, it will check its reflection on a lake’s surface to make sure its face hasn’t become dirty.
FireRed / SoulSilver: It always rocks its head slowly backwards and forwards as if it is trying to kiss someone.
Diamond +7: It tests everything by touching with its lips, which remember what it likes and dislikes.
HeartGold / X: Its lips are the most sensitive part of its body. It always uses its lips first to examine things.
Omega Ruby / Alpha Sapphire: Smoochum actively runs about, but also falls quite often. Whenever the chance arrives, it will look for its reflection to make sure its face hasn’t become dirty.
Ultra Sun: When it examines things, before touching them with its hands, it makes lip contact and then diligently licks all the dirt off its lips.
Ultra Moon: Highly perceptive sensors, Smoochum’s lips are kept moist by its daily application of tree sap.
Sword: If its face gets even slightly dirty, Smoochum will bathe immediately. But if its body gets dirty, Smoochum doesn’t really seem to care.
Shield: This is a very curious Pokémon. Smoochum decides what it likes and dislikes by touching things with its lips.