Yes u are right, but not sure that u can insert those charset in 80 byte of OP_RETURN 

I've to check the code, but I think so

_Bubble_2009

LZ|נⱅ䆼i⡣ᐮそ夡ᣭʸ၃Ž䅦夠瘣䢭ىǌ劧ऄX߰ԅ墜ẵ[乔⡌⠠䈠ᱰƤǸන␀䋠ݤ

maybe :) - I think it can be used on any network of course, but the restriction of 80 bytes makes my tool excellent to send a specific type of messages over it, and this way you can do it more compact.

bitcoin

MCOR (Message Compressor for OP_return)

avbpod

> LZ|נⱅ䆼i⡣ᐮそ夡ᣭʸ၃Ž䅦夠瘣䢭ىǌ劧ऄX߰ԅ墜ẵ[乔⡌⠠䈠ᱰƤǸන␀䋠ݤ

maybe :) - I think it can be used on any network of course, but the restriction of 80 bytes makes my tool excellent to send a specific type of messages over it, and this way you can do it more compact.
It will help, I'm sure. 