Ventoy v1.0.51 includes experimental support for CloudReady (Neverware\Google) and FydeOS (both are versions of ChromeOS).
Since 'Ventoy for Easy2Boot' v1.0.51 is now released, I was pleasantly surprised to discover that I can boot to CloudReady from Ventoy from my E2B USB drive + IdeaPad 300 notebook!
CloudReady instructions
1. Update your E2B USB drive to the latest Ventoy version by double-clicking on the "\e2b\Update agFM\Update_to_latest_Ventoy_version.cmd" file on Partition 2 of your E2B USB drive.
2. Download a version of CloudReady. I use the free Home version 64-bit Image file from here.
3. Unzip the .ZIP file that you just downloaded and copy the 6GB file to your Easy2Boot USB drive. Since this will only work under Ventoy, I made a \_ISO\VENTOY folder on my E2B USB drive.
4. Rename the .bin file extension to .img.
CloudReady only supports UEFI, so you need to UEFI64-boot to agFM and then run Ventoy.
Now you should be able to sign into your Google account. If you have two-factor authentication enabled, you will need to confirm via your mobile phone (enable Bluetooth and Location detection on your phone).
Once logged in successfully, any future boot to the CloudReady img file will just require your Google account email and password.
Note: You will need to test using a real system as Virtual Box did not seem to work for me. I successfully tested on an IdeaPad 300.
FydeOS
I used 'mirror 2' to download the 2GB .img.xz file and then unzipped it to make a 7.3GB .img file.
I had problems using the trackpad on the IdeaPad300 with this distro and it appears to be a version aimed at China, so I did not test it by logging in.