With this java software you can connect to another mobile and ....Once connected to a another phone via bluetooth you can:- read his messages- read his contacts- change profile- play his ringtone even if phone is on silent- play his songs(in his phone)- restart the phone- switch off the phone- restore factory settings- change ringing volume- And here comes the bestCall from his phone" it includes all call functions like hold etc.Notes:1.) When connecting devices use a code 00002.) At start of programm on smartphones do not forget to turn on bluetooth before start of the mobile .