I can programming in C a Homebrew ???

Because,for my 1st homebrew of all, i want create a Pong with :

• 1 player game mode (with AI)
• 2 player game mode
• Options : Stop the sound, change the color of the game (Red, Blue, Green and Yellow)
• I have other idea but, in other version !

Finally, my question is : I can programming in C for create a Homebrew 3DS ??? Or, should I learn C and C ++ ???
It's a good challenge for me, because i learn the C and i'm 12 years-old !

I have the tools required for create a...

I can programming in C a Homebrew ???