it will be good to show sms sender's mobile number under his name on top of screen. This is particularly important for dual SIM users that are subscribed to different mobile networks, and when subscriber would be charged an extra cost for texting another network. In the Philippines, one will know which network a mobile number belongs to. Thus, if a mobile number can be seen under the sender's name, the texter can choose the SIM (same network) from which to send a reply to avoid extra cost. This feature is available in other SMS apps.