Just added a new filter option, that let you filter columns having a dropdown with checkboxes to select multiple items. It also support textbox to quickly search your desired item within filter options. This is similar to excel like auto filtering.
Live Demo: http://www.phpgrid.org/demo/demos/integrations/multiselect-filter.php
Next Actions:
-> Already have a licensed version, Get your updated version by dropping an email with your recent Order number.
-> Don’t have a licensed version, Get it from http://phpgrid.org/download -> Buy. Starts from $50.
What should be next feature: Suggest it via email.