FMC Smart's Find My Car Smarter ($25-$30) is an ingenious way to help users find their parked cars. The heart of the solution is a tiny USB dongle that draws power from your car's lighter adapter; you either plug it in using your own charging plug, or pay a $5 premium to get a Monoprice-branded charger shipped alongside Find My Car Smarter. Download the $1 app to your iPhone 4S -- Bluetooth 4.0 is required, and this is currently the only supported…