Quite Interesting, Thank You. Helps pass the time in queues :)
EDIT: There seems to be a bug about the ads, I don't mind ads, but all they load are blank boxes for 15 seconds. it's quite frustrating.
it is safe to remove Samsung Apps such as S Planner, S Voice using "Force remove app" function?
Yes, it is. These are bloatware, not required by the system to run.