how to edit portal address M8S?

[neel123]

hi,
i found modded " IPTV stalker " .apk , with nice glass .png icons
so i download the .apk with USB , i install in my M8S box , but when i start
it direct lead me to its original portal , but i have to modify portal and put NFPS server
it just show me SR # , MAC address (generated by stalker) and asking for UN/PW
i found it's hidden for not to modify under 3 DOT , 3 Line android system
i am new to android, with very basic skills
can any experts please help how to access this 3 DOT or 3 Line menu in android
specially with MS8 box and remote control ?
so i can modify with my NFPS portal ,

thanks in advance..help appriciated

[Gtest413]

Use wukong remote. It has an option at the top for "mouse cursor" to allow you to click on the button at the top right