Mimic.lol alternative

I have been dabbling in creating and leveling "hidden" lol accounts with no name set. They are VERY ideal for creating the perfect alternative to barcode accounts and other difficult to search names. I have been using Mimic.lol to get into games with them but its tedious and hard to do without a lot of workarounds. The main issues are: mimic cannot directly join bot games without another accounts help, and it cannot start a tutorial game. If i could find a third party client or other method of entering these game types without having access to the standard client GUI that would be perfect. If anyone has any knowledge in how i can do this please let me know, there is very little info posted publicly about these accounts (i attached pics to help people understand what im dealing with)

Switch clients when registering，Enter text that cannot be tried when registering normally