Q: When does CoroCoro leak?
A: Usually sometime between the 10th and 12th of every month.

Q: OH SO IT WILL LEAK TOMO--
A: No. Just because it can leak on the 10th does not mean it will.

Q: When does Pokemon SMASH come on!?
A: Every Saturday at ~6:30 pm to 7:30 pm EST (thanks Daylight Savings Time you're a peach)

Q: The show is over, did SMASH show anything?
A: Assuming SMASH showed anything XY-related, it should have been posted on various sites moments after it was shown. If there was none, then the show obviously showed nothing.

Q: When will it reveal something new?
A: We won't know until the episode airs or a preview gives a hint at it. Stuff relating to new games usually don't crop up until the last 5 to 10 minutes of the program.

Now stop asking about when these two things happen. Do not ask if scans have leaked yet, and do not liveblog/complain about SMASH for not showing anything.
Rest assured, if anything actually leaks/is shown, the main site and most Pokemon-dedicated sites will make a note about it.