To Add a new Item tap the Add button in the top right hand corner of the Most Recent tab.

Selecting a customer, Project or Task is all done the same way:

Tap the Customer Cell, you will be presented with the Quick entry list for Customers, if it is empty or your customer is not in the list tap the Edit button.

To add a new Customer tap the add new customer cell

Enter the Customer name and tap Save.

Tap done and select the customer.

Setting the Hours or duration is done with the time picker:

Setting the Date is done with the Date Picker