Default Santa naughty or nice app

Playing Santa in a few days time and thought I'd dragg him into the 21st century,love this finger print type naughty or nice scanner but its random and don't want kids coming out naughty,also don't like the gifts at the end,anyone got a good finger print type scanner that has setting functions on it

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HTC ONE In Silver , Nexus7 2012 and ASUS EPAD transformer