Ventoid is an Android app for creating Ventoy-style USB drives directly from a phone. It is built for OTG workflows, repair kits, and the very real moment when your phone is the only machine you have on hand. Why people use it Prepare a bootable USB without a PC Rebuild install media in the field Keep a cleaner, phone-first workflow for rescue drives Core features Detect attached USB mass-storage devices Request Android USB permission only when needed Write a Ventoy-compatible disk layout Write core.img and the EFI image Format the data partition as exFAT Show stage-based progress and a local write log