It seems like you've provided some information about the ExtraMAME emulator and its latest version, 23.12. You'd like me to help you understand what this software is all about.

From what I gathered, ExtraMAME is a compact Windows GUI wrapper for MAME (Multiple Arcade Machine Emulator) that allows users to play thousands of old-school arcade games on their computers. It's designed to be more user-friendly and compact compared to the original MAME emulator.

Here are some key points about ExtraMAME:

1. Latest version: 23.12

2. From: Novemplay (the same developers who created ExtraSubst)

3. Compatible with Windows 11/10/8.1/8/7/VISTA x86 (64-bit operating systems)

4. Download size: 2 MB

5. Official website: 'www.novemplay.com'(http://www.novemplay.com)

As for the features, ExtraMAME allows users to play classic arcade games without having to configure complex settings. It's compatible with all MAME games and has a gamelist that includes over 6,000 titles.

Some benefits of using ExtraMAME include:

1. Play thousands of old-school arcade games on your computer

2. Compact and user-friendly interface

3. Compatible with various Windows operating systems

If you have any specific questions or would like more information about ExtraMAME, feel free to ask!

ExtraMAME 23.10 instaling