Help in Kali Linux

Hello guys in new in hacking. My first problem is I'm confused what ip I have to put. That ip which is written in Windows cmd ifconfig or that ip which is written in kali linux on virtualbox. My second problem is I'm trying to create a payload for android hacking on wan i put my public ip for creating payload but whenever anyone try to install it always says there is a problem parsing the pakage. What should I do please can anyone help me with these two problems.