But there is an issue with gallery width.
Tiled Galleries will default to
If your site content width is more than that it doesn’t look good at all but here is a simple solution.
Here are all Options:
How to change default Jetpack’s gallery width?
Add just simple below functions to your theme’s functions.php file and you are all good.
add_filter( 'tiled_gallery_content_width', 'crunchify_tiled_gallery_width' );
$tiled_gallery_content_width = $width;
$width = 640;
How to run Jetpack in Development mode on localhost?
define ('JETPACK_DEV_DEBUG', true);
I hope this helps you play with Jetpack locally on your desktop/laptop.