I have installed Domoticz V2.3684 in Windows 7 with Arduino Serial Gateway and five arduino-remote devices working well. Can I move Arduino Serial Gateway to Raspberry Pi2 following install instructions in wiki/Raspberry_Pi?

I have installed V2.3684 in Windows 7 with Arduino Serial Gateway. In Settings, Active Menus I have selected Custom, but don't have the tab in the upper page. I need send S_CUSTOM with V_VAR1.....V_VAR5 (example Instant Cost $1234). Your cooperation in this matter will be appreciated.