@FuzboleroXV 1. allows you to see messages from all Social Networks even in one timeline.
2. You can respond to a message as any of your accounts of _the same Social Network_.
For Pump.io, accounts in all instances belong to the Single Social network. For Mastodon - only accounts on the same instance: because of outdated client API. More details +discussion with @Gargron here:
github.com/andstatus/andstatus
@infO_Overlord