diff --git a/lib/class-wp-rest-block-editor-settings-controller.php b/lib/class-wp-rest-block-editor-settings-controller.php
index 70841e152f79e3..398457e4911e54 100644
--- a/lib/class-wp-rest-block-editor-settings-controller.php
+++ b/lib/class-wp-rest-block-editor-settings-controller.php
@@ -129,9 +129,9 @@ public function get_item_schema() {
 				),
 
 				'__experimentalFeatures'                 => array(
-					'description' => __( 'Active theme settings and default values.', 'gutenberg' ),
+					'description' => __( 'Settings consolidated from core, theme, and user origins.', 'gutenberg' ),
 					'type'        => 'object',
-					'context'     => array( 'post-editor', 'site-editor', 'widgets-editor' ),
+					'context'     => array( 'post-editor', 'site-editor', 'widgets-editor', 'mobile' ),
 				),
 
 				'__experimentalGlobalStylesUserEntityId' => array(
@@ -146,6 +146,12 @@ public function get_item_schema() {
 					'context'     => array( 'site-editor' ),
 				),
 
+				'__experimentalStyles'                 => array(
+					'description' => __( 'Styles consolidated from core, theme, and user origins.', 'gutenberg' ),
+					'type'        => 'object',
+					'context'     => array( 'mobile' ),
+				),
+
 				'alignWide'                              => array(
 					'description' => __( 'Enable/Disable Wide/Full Alignments.', 'gutenberg' ),
 					'type'        => 'boolean',
diff --git a/lib/global-styles.php b/lib/global-styles.php
index 77b078351a9eba..8d5552e5e7244c 100644
--- a/lib/global-styles.php
+++ b/lib/global-styles.php
@@ -88,8 +88,13 @@ function_exists( 'gutenberg_is_edit_site_page' ) &&
 		$context = 'site-editor';
 	}
 
-	if ( defined( 'REST_REQUEST' ) && REST_REQUEST ) {
-		$context = 'rest-request';
+	if (
+		defined( 'REST_REQUEST' ) &&
+		REST_REQUEST &&
+		isset( $_GET['context'] ) &&
+		'mobile' === $_GET['context']
+	) {
+		$context = 'mobile';
 	}
 
 	$origin = 'theme';
@@ -102,7 +107,7 @@ function_exists( 'gutenberg_is_edit_site_page' ) &&
 	}
 	$consolidated = WP_Theme_JSON_Resolver::get_merged_data( $settings, $origin );
 
-	if ( 'rest-request' === $context ) {
+	if ( 'mobile' === $context ) {
 		$settings['__experimentalStyles'] = $consolidated->get_raw_data()['styles'];
 	}
 
@@ -116,7 +121,7 @@ function_exists( 'gutenberg_is_edit_site_page' ) &&
 
 	if (
 		'site-editor' !== $context &&
-		'rest-request' !== $context &&
+		'mobile' !== $context &&
 		( WP_Theme_JSON_Resolver::theme_has_support() || get_theme_support( 'experimental-link-color' ) )
 	) {
 		$block_styles  = array( 'css' => gutenberg_experimental_global_styles_get_stylesheet( $consolidated, 'block_styles' ) );