VNC and Cyrillic - how?

Question

VNC

Hello.
There is Windows XP with UltraVNC installed
Tablet on Android A
connection is established from the tablet,
it turns out to print in Latin.
Cyrillic - only when switching on a remote machine.
If you switch the language on the android keyboard, then it does not allow you to enter characters at all.
Question, How to switch the layout on android to print in Cyrillic?