Pechat旧 is an Android application developed by HAKUHODO under the Lifestyle category. It is designed to work with a button-shaped speaker attached to a stuffed animal to allow parents to communicate with their children in a unique way. With this app, parents can talk, sing songs, and read stories to their children through the stuffed animal. The app comes with various features such as chat with characters, chat with voice, dialogue list, song list, story list, and Omakase mode. It also has a baby mode that contains crying and good night music with a cry detection function. Additionally, the app has a no-no mode with lines that can be used by children under the supervision of experts. Pechat旧 also has an easy mode that allows parents to easily select displayed dialogue candidates. The app requires Android 6 or higher and is available for free on the Google Play Store with additional songs and stories available for purchase.