just like the tittle says. It works several OS and all the iPhone range, several browsers, but testing it on my Pixel using chrome it does not work. Using my phone it works with opera mini and firefox.
HTML:
<div class="contact-box row">
<a href="https://www.facebook.com/Abaladi%C3%A7a-Algarve-Craft-Beer-797257403729657/" target="_blank">
<img class="fb-icon icon" src="./resources/icons/Facebook.svg" alt="facebook">
</a>
<img class="mail-icon icon" src="./resources/icons/Email.svg" alt="email">
jQuery
var msg = $('.mail-icon');
var form = $('.form-box');
msg.on('click touchstart', function() {
form.fadeToggle();
return false;
});