Japanese “acceptable” button emoji 🉑 is part of the Symbols and Alphanumeric Symbols emojis. On some systems it can be accessed by using :japanese_acceptable_button:, :accept: or :ja_acceptable: shortcodes.
It was approved as part of Unicode in 2010 so it should be displayed properly on all devices.
Tags: Ideograph, Japanese, Japanese “acceptable” button, “acceptable” and 可