A:AnswerAt this time, the XPERIA 10 is NOT compatible with PS4 Remote Play. According to Sony, this will remain true as no update is planned. Sony now only offers Remote Play capability on their flagship devices in the XPERIA XZ lineup and the new XPERIA 1.
A:AnswerNo. You should not anticipate any troubles using the XPERIA 10 on Metro PCS.
Metro PCS relies on T-Mobile GSM networks, which the XPERIA 10 is built for.