Weird apps on new LG G3

I got a new G3 through the replacement program. There were some apps that I think are weird on it. They are called Juice Jam, Panda Pop, Empire, Cookie Jam, Go 90, and Map Quest. When I went to uninstall them through the Play Store it said they weren't installed through the Play Store. I'm just wondering if this is normal or if I should be worried about these apps.

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