Summary of Kid's Corner:
...They can open Kid’s Corner on their own, but your Start screen, apps, and info are protected by a password you set.
I want to know if a game I use and my kid uses will share the same account in Xbox Live and settings in different apps.
I mean, Kid's Corner have a different account for games AND apps?
I'm afraid she can lost my "healthy" or my "coins" in some games I play "for real".
Only one account per phone, and its the one used for kids corner. I understand what you want to do but haven't found it to be possible at this time.
I've got a number of Windows Phone feedback route listed at http://dfwiki.devfish.net/technology.Microsoft-feedback-routes.ashx . You ought to push that up as a suggestion.
Some good kid's corner FAQs at http://www.windowsphone.com/en-US/how-to/wp8/basics/kids-corner-faq and http://www.windowsphone.com/en-US/how-to/wp8/basics/set-up-kids-corner .
