Google COSMO AI App: What It Is, What It Does, and Why Google Pulled It from the Play Store

Google COSMO AI App: What It Is, What It Does, and Why Google Pulled It from the Play Store

On May 1, 2026, Google quietly published a brand-new AI assistant app called COSMO to the Google Play Store — then pulled it within hours. The listing is gone. But not before thousands of users downloaded it, and not before every major Android publication dissected exactly what it does. I went through every confirmed detail from the app's internal code, its Play Store listing, and the hands-on reports from Android Authority and 9to5Google before it was pulled. Here is everything COSMO is, everything it can do, and what it tells us about what Google is about to announce at Google I/O 2026 on May 19 . ⚡ What Is Google COSMO? — The 60-Second Version Detail Confirmed Info What it is An experimental AI assistant app for Android from Google Research Published by Google (package: com.google.research.air.cosmo) App size 1.13 GB — includes a full local Gemini Nano model on-device When published May 1, 2026 (accidentally, ahead of Google I/O 2026) Current status Pulled from Play Store — no longer download…