Shopping List for Forgettery

[Feature] Do you forget to buy an item at a supermarket? In that case, input shopping list in this app to create button type shopping list, before shopping. When you pick up an item at the supermarket, tapping a button of the item makes the color of the button gray. And you can obviously classify whether the item is already got or not. Therefore, you can avoid forgetting to buy items. [How to use] It's easy to use. Just input a list then tap 'Create Button' - Input 1 item on 1 line on the input screen. - You can use 5 lists and switch them from option menu. Also you can name the lists on option menu on input screen. - Long tapping a gray button reverts the button back to untapping state. - 'Delete Purchased Item' deletes all gray items. - The list contents and button states are kept after you quit the app. - When you tap 'back button' on your device, you can move back from the button screen to the input screen. [Others] The app is used for not only shopping lists but also something else such as todo lists. When you use a usual shopping list, you may miss an item and forget to buy it. However, you don't miss it on this app because you can clearly recognize whether you already got it or not. It's simple but it prevents forgetting to buy items!