The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From vida creativa:
Now Doing is a simple to-do list that allows you to focus on items, tasks and ideas one at a time and get things done. Review the list and check items as they are completed. Features: Focus mode helps you get things done by showing one item at a time. Quickly add an item when it comes to mind Easy to use: see what needs to be done, do it, check it off Easy to manage: add, edit, reorder and delete items Reuse items by unchecking completed items The Now Doing title shows the total number of unchecked items remaining The icon on the Home screen shows the number of unchecked items remaining Items are ordered manually Email an individual item Supports an unlimited number of items (limited by available memory) Supports portrait and landscape mode Uses: Daily activities Study cards Talking points To-Do and task lists Grocery lists, shopping lists, wish lists Ideas, notes, goalsInstructions: Items: Add item: Tap +, type the item details, tap Done. Check/Uncheck item: Tap checkbox beside item. DIsplay item details: Tap the item. Edit item details: Tap the item, type changes, tap Done. Delete item: Swipe right or left over the item, and tap Delete. Reorder items: Tap Edit button, move item to new position, tap Done. Email an individual item: Tap and hold on an item until the menu appears, tap Email. Uncheck all items: Tap the Edit Button, tap the Action button, tap Uncheck All Items. Start Focus mode: Tap and hold on an unchecked item until the menu appears, tap Now Doing. Focus mode: Checkmark item and display next unchecked item: Tap Done button. Skip current item and display next unchecked item: Tap Next button Exit Focus mode and return to the list: Tap Cancel button Change text/background color (black text on white background, white text on black background): Tap on item text.Support:For support or feedback contact email@example.com. We welcome comments and ideas for improvements.