Tips on Customizing WordApp Mobile App Plugin – Convert your WordPress Site to a Mobile App

How to Hide WordApp - Wordpress to Mobile App plugin for WooCommerce & BuddyPress Admin Menus

function plt_hide_wordapp_mobile_app_menus() {
	//Hide "Mobile Pages".
	remove_menu_page('edit.php?post_type=wordapp_mobile_pages');
	//Hide "Mobile Pages → Mobile Pages".
	remove_submenu_page('edit.php?post_type=wordapp_mobile_pages', 'edit.php?post_type=wordapp_mobile_pages');
	//Hide "Mobile Pages → Add new mobile page".
	remove_submenu_page('edit.php?post_type=wordapp_mobile_pages', 'post-new.php?post_type=wordapp_mobile_pages');
	//Hide "Mobile Pages → Tags".
	remove_submenu_page('edit.php?post_type=wordapp_mobile_pages', 'edit-tags.php?taxonomy=post_tag&post_type=wordapp_mobile_pages');

	//Hide "WordApp".
	remove_menu_page('WordApp');
	//Hide "WordApp → WordApp".
	remove_submenu_page('WordApp', 'WordApp');
	//Hide "WordApp → App Builder".
	remove_submenu_page('WordApp', 'WordAppBuilder');
	//Hide "WordApp → Go Premium".
	remove_submenu_page('WordApp', 'WordAppGoPro');
	//Hide "WordApp → Monetize Your App".
	remove_submenu_page('WordApp', 'WordAppAdMob');
	//Hide "WordApp → Themes".
	remove_submenu_page('WordApp', 'WordAppPluginsAndThemes');
	//Hide "WordApp → Stats".
	remove_submenu_page('WordApp', 'WordAppStats');
	//Hide "WordApp → Video Tutorials".
	remove_submenu_page('WordApp', 'WordAppVideos');
	//Hide "WordApp → Marketing Gear".
	remove_submenu_page('WordApp', 'WordAppMarketing');
	//Hide "WordApp → Code Editors".
	remove_submenu_page('WordApp', 'WordAppCss');
	//Hide "WordApp → Settings".
	remove_submenu_page('WordApp', 'WordAppSettings');
	//Hide "WordApp → Send a Push Notification".
	remove_submenu_page('WordApp', 'WordAppPN');
	//Hide "WordApp → PN Users".
	remove_submenu_page('WordApp', 'edit.php?post_type=wa_pns');
	//Hide "WordApp → PN Messages".
	remove_submenu_page('WordApp', 'edit.php?post_type=wa_pns_messages');
}

add_action('admin_menu', 'plt_hide_wordapp_mobile_app_menus', 1000000000);

Where do I put this code?

How to Hide WordApp - Wordpress to Mobile App plugin for WooCommerce & BuddyPress Meta Boxes

function plt_hide_wordapp_mobile_app_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Send a Push ?" meta box.
	remove_meta_box('wordapp_updated_send_push_meta', $screen->id, 'side');
	//Hide the "Push Attributes" meta box.
	remove_meta_box('wa_pn_type', $screen->id, 'normal');
	//Hide the "Push Attributes" meta box.
	remove_meta_box('wa_pn_message', $screen->id, 'normal');
}

add_action('add_meta_boxes', 'plt_hide_wordapp_mobile_app_metaboxes', 20);