I know it has been a long time since you posted this, but I would have to say "yes" if the mobile home is their primary residence. The Act covers all home equity loans and "Home equity loan" means any loan secured by the borrower's primary residence where the proceeds are not used as purchase money for the residence.
I read quickly through the Act and did not see any exemptions for mobile homes. I suppose if you consider the intent is to protect a person from losing their home by entering into a loan they may not be able to repay - I would think anything they consider their primary residence would be covered - but that is just my opinion.
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