squared vs symbol.
Copy and paste this emoji:
symbol
VS button was assigned codepoint in Unicode 6.0 on 11 October 2010.
VS button was included in Emoji 1.0 on 04 August 2015.
๐ U+1F19A
:vs:
๐ Japanese โfree of chargeโ button
๐ Japanese โbargainโ button