Phone Address-Book to Labels is a free Android app developed by Tsk-Tsk Software. It allows you to print addresses from your phonebook directly to labels on a printer. The app provides an excellent mass mailing solution for entrepreneurs who want to reach out to their customers. It enables you to send marketing material, invoices, invitations, greetings, and introductions in an efficient and effective manner.

The app features fully customizable page-size, labels per page, and margins within individual labels. It comes with three preset layouts, but please note that each printer is different. So, a set of margins that work fine on one printer may appear slightly different on another printer, and you may need to adjust these using the 'Custom' options. The app's dimensions are in inches. To use the app, you need to set up Google Cloud Print, which is very easy to do by following the instructions provided.

Overall, Phone Address-Book to Labels is a useful app for those who need to print address labels and want to save time and effort. Your feedback is important to the developers, and additional features may be added in the future based on user suggestions.