A mildly humorous description.
First, the Pokémon on the far right of the first image is called Gogoat and is the Riding Pokémon. It's Grass-type, and you can ride this Pokémon in the field. It can learn Horn Leech.
The lizard is called Elikiteru and is a Electric/Normal-type Pokémon. It is the Generation Pokémon. It has a new move called Parabola Charge which heals the user while damaging opponents. It uses solar rays to generate electricity
The bird is called Yayakoma and is the Japanese Robin Pokémon. It is Normal/Flying. It can use the move Flame Charge.
The panda is called Yancham and is the Naughty Pokémon. It is a Fighting type Pokémon. It has a new move called Parting Remark which lowers the opponents stats and causes the user to switch out.
The game is set in the Karos Region which appears to be based on France. You can customize your trainer slightly with hair color and skin color. The main city is Miare City which is where it is seen to ride Gogoat.