Silly way to add a redirect

your_module.info

name = Your module name
description = Just adds that incredibly silly mobile redirect code.
core = 7.x
version = 7.x-1.0

your_module.module

<?php


/**
 * Implements hook_page_build().
 */
function your_module_page_build() {
  if (drupal_is_front_page()) {
    drupal_add_js('http://example.com/example.js', 'external');
  }
}