Re: (dumb) question about the black L730
you can check out the store in Manjeera mall or the one at Nizampet (Hyderabad)
Also check out this color comparision with the black shell of moto g.
If you are referring to Qualcomm's Quick charge then NO it is not available to devices on Snapdragon 400 , This feature is applicable to devices on Snapdragon 800 series and above only.
Yes it happens a lot in India.
"Tingling" sensations from an appliance when connected to the mains supply is usually the result of either static electricity or an earth wiring fault in the supply circuit.
charger gets hot if the phone battery is very low, its common, what are you using your phone for while charging, usually heavy apps heat up the phone when it is charging. use the app when not charging to see if the phone gets hot.