Lightning Web Component(LWC) quick actions not showing/displaying in Salesforce Mobile App

Lightning Web Component(LWC) quick actions are available only on record pages in Lightning Experience. They're not supported on the Salesforce mobile app.

Reference Link

https://help.salesforce.com/s/articleView?id=sf.lightning_web_component_actions_create.htm&type=5
 
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To implement it for Desktop, use the following link