Select from menu Mazaika - Preferences.

On Mazaika Start

Start Blank - Start the program with blank page.

Open Last Library - Start program with blank page and open last used Library.

Open Last Project - Start program with last opened project.

Render mode:

Here you may switch render mode that you like to use:

Smart - Render of the mosaic beginning from the most essential parts of main theme image.

Random - Render of the mosaic in random order.

From Top To Bottom - Render from top left cell down to right bottom cell.