虹色カノジョ２d is a free-to-play simulation game developed by Ambition co.ltd. for Android users. The game is a sequel to the popular game 虹色カノジョ and features new elements that make it more exciting and fun. One of the significant improvements is the addition of a new motion avatar called MR (motion rare) that allows the player to experience more expressive interactions with their Nijikano. The game also features new types and collection elements that make it more immersive.

The game allows players to create their ideal Nijikano by combining different elements such as personality, clothing, hairstyles, and voice. The game also features popular voice actors such as Satomi Akesaka, Yoshino Nanjō, and KakumaAkoromo, who bring the characters to life with their voices. The game has different gameplay modes such as Kisekae, where players can change their avatar's appearance, and O-benkyou, where players can change their Nijikano's personality. Overall, 虹色カノジョ２d is an excellent game for simulation game lovers who want to experience a nurturing love simulation with a twist of Live2D technology.