FAQ: One Step Checkout
Sure, you can use PayPal with the module as well as Braintree, SagePay, etc. Our extension supports all popular payment methods.
Our Checkout's custom fields (which can be managed at System > Amasty One Step Checkout ) are being processed and saved as customer's address. These fields' content can be edited as a part of existing address adjustment and new address adding. Order Attributes extension can add address-independant custom Checkout fields if needed.
Yes, the extension supports custom CSS. You can also choose Magento checkout page layout.
With the extension, you won't have Magento checkout slow on mobile devices, as it's surely responsive. We understand that this is very important since many purchases happen via mobile devices.
New order status depends on Payment method settings which are located at: System > Configuration > Sales > Payment Methods. Please check the list of available payment methods and set a correct status for new orders. Our Checkout extension doesn't alter this behavior.
Most common difficulities (and most effective solutions for these) related to Address Auto Suggest are described here. Proceed to the full answer to get a step-by-step guide.