http://www.google.com/url?sa=t&ct=res&cd=2&url=http%3A%2F%2Fkotaku.com%2F5019333%2Fnintendo-hooks-up-hospitalized-kids-with-wii-fun-centers&ei=UhxrSMDHFoXUefvh8egL&usg=AFQjCNEutVViPz7Kb_cu7M1ja8DzM4FCQQ&sig2=T0zcQsqjhoZemkC_Oq25jw
http://www.google.com/url?sa=t&ct=res&cd=1&url=http%3A%2F%2Fkotaku.com%2Fgaming%2Fnintendo%2Fnintendo-sells-tons-to-childs-play-246086.php&ei=UhxrSMDHFoXUefvh8egL&usg=AFQjCNFymNsm0zJjFKH9aRW82BlqOZJTMA&sig2=8LGBSGFbn-GYU5zlb8cNAA
(This one ^ is more of a discount than charity)
http://www.google.com/url?sa=t&ct=res&cd=5&url=http%3A%2F%2Fwww.joystiq.com%2F2008%2F06%2F25%2Fnintendo-starlight-partner-to-help-sick-kids%2F&ei=UhxrSMDHFoXUefvh8egL&usg=AFQjCNGn6sHePtfFLzU17xouNd13azf3Yw&sig2=gCl3jolz3OYbcqajSjS5tg
Just some of their charity work.
They also support local community sports around the world and provide developer seminars to kids who want to make games.
BTW, no one should feel obligated to give because someone else tells them to.
I would cite regulation, but I know you will simply ignore it.