Isn't spiking a penalty? I'm not much into sports but if some German grandma was spiking on me, I'd be a bit upset. Then again maybe I'd like being spiked by a GILF (Grandma I'd Like to Friend) in my DMs, if I'm being honest. Oma isn't 100 is she?
Do yourself a favor and avoid sifting through all of the system apps on the device. If you worry about any app you don't recognize, then you'll worry yourself with all of the various system apps that are present and that are important for the device to work normally.
Think about it -- do you look through all of the hundreds of thousands of system files in a Window PC?