You can have the mini menu appear on click instead of the default on mouseover.

var a2a_config = a2a_config || {};
a2a_config.onclick = 1;

In Drupal, add the following JavaScript code to your "Additional JavaScript" box in Configuration > Web services > AddToAny > Additional Options.

In WordPress, add the following JavaScript code to your "Additional JavaScript" box in Settings > AddToAny.

a2a_config.onclick = 1;

To display the full menu on click, set the value to 2.

var a2a_config = a2a_config || {};
a2a_config.onclick = 2;

a2a_config.onclick = 2;