Instructions
Press the "A" button on "New Game" from the main menu of "Viva Pinata: Pocket Paradise." Once the game loads, you will be given control of your garden.
Press the "Start" button to pause the game and bring up its in-game menu.
Press the "A" button on "Save Game." A listing of all your saved games will appear.
Press the "A" button on the game you want to erase. A confirmation screen will appear.
Click "OK" to erase the old saved game. It will be overwritten by your new saved game.