Profile cards

• [Virtual Expo]Why can't I post my profile card?
• [Virtual Expo] How can I get a profile card background?
• [Virtual Expo] Will the collected profile cards be inherited if the device changes?
• [Virtual Expo] I want to display Navi-yan on my profile card.
• [Virtual Expo] What kind of language can I use for my self-introduction?
• [Virtual Expo] Is it okay to leave my self-introduction blank in my profile card?