Talking Bacteria John, John and John
was a classic interaction-based app developed by Outfit7 as part of the early "Talking Tom & Friends" franchise. Originally released in December 2010, the app featured a unique set of purple, blueberry-like bacteria characters that players could interact with in various humorous and occasionally "creepy" ways. Availability Status: iOS Exclusive & Discontinued
Solution:
That’s intentional. It’s John’s "metabolism sound." You can turn it off in the settings menu under "Audio > Gut Noises."
👨🔬 Developer Note
Because the official original app is not on Android, users often find these alternatives: