diff --git a/components/esp_rainmaker/include/esp_rmaker_core.h b/components/esp_rainmaker/include/esp_rmaker_core.h
index 9dbdbae..ad83011 100644
--- a/components/esp_rainmaker/include/esp_rmaker_core.h
+++ b/components/esp_rainmaker/include/esp_rmaker_core.h
@@ -63,6 +63,8 @@ typedef struct {
     char *fw_version;
     /** Model (Optional). If not set, PROJECT_NAME is used as default (recommended)*/
     char *model;
+    /** Subtype (Optional). */
+    char *subtype;
 } esp_rmaker_node_info_t;
 
 /** ESP RainMaker Configuration */
@@ -430,10 +432,11 @@ esp_err_t esp_rmaker_node_add_attribute(const esp_rmaker_node_t *node, const cha
  */
 esp_err_t esp_rmaker_node_add_fw_version(const esp_rmaker_node_t *node, const char *fw_version);
 
-/** Add model for a node (Not recommended)
+/** Add model for a node
  *
  * Model is set internally to the project name. This API can be used to
- * override that name.
+ * override that name, now that a new field "project" has also been added
+ * internally to the node info.
  *
  * @param node Node handle.
  * @param[in] model New model string.
@@ -443,6 +446,16 @@ esp_err_t esp_rmaker_node_add_fw_version(const esp_rmaker_node_t *node, const ch
  */
 esp_err_t esp_rmaker_node_add_model(const esp_rmaker_node_t *node, const char *model);
 
+/** Add subtype for a node
+ *
+ * @param node Node handle.
+ * @param[in] subtype Subtype string.
+ *
+ * @return ESP_OK on success.
+ * @return error in case of failure.
+ */
+esp_err_t esp_rmaker_node_add_subtype(const esp_rmaker_node_t *node, const char *subtype);
+
 /**
  * Create a Device
  *
@@ -572,6 +585,18 @@ esp_err_t esp_rmaker_device_add_attribute(const esp_rmaker_device_t *device, con
  */
 esp_err_t esp_rmaker_device_add_subtype(const esp_rmaker_device_t *device, const char *subtype);
 
+/** Add a Device model
+ *
+ * This would primarily be used by the phone apps to render different icons for the same device type.
+ *
+ * @param[in] device Device handle.
+ * @param[in] model String describing the model.
+ *
+ * @return ESP_OK if the model was added successfully.
+ * @return error in case of failure.
+ */
+esp_err_t esp_rmaker_device_add_model(const esp_rmaker_device_t *device, const char *model);
+
 /** Get device name from handle
  *
  * @param[in] device Device handle.
diff --git a/components/esp_rainmaker/src/core/esp_rmaker_device.c b/components/esp_rainmaker/src/core/esp_rmaker_device.c
index f7546cc..bf90ca4 100644
--- a/components/esp_rainmaker/src/core/esp_rmaker_device.c
+++ b/components/esp_rainmaker/src/core/esp_rmaker_device.c
@@ -45,6 +45,9 @@ esp_err_t esp_rmaker_device_delete(const esp_rmaker_device_t *device)
         if (_device->subtype) {
             free(_device->subtype);
         }
+        if (_device->model) {
+            free(_device->model);
+        }
         if (_device->name) {
             free(_device->name);
         }
@@ -217,6 +220,26 @@ esp_err_t esp_rmaker_device_add_subtype(const esp_rmaker_device_t *device, const
     if ((_device->subtype = strdup(subtype)) != NULL ){
         return ESP_OK;
     } else {
+        ESP_LOGE(TAG, "Failed to allocate memory for device subtype");
+        return ESP_ERR_NO_MEM;
+    }
+}
+
+/* Add a device model */
+esp_err_t esp_rmaker_device_add_model(const esp_rmaker_device_t *device, const char *model)
+{
+    if (!device || !model) {
+        ESP_LOGE(TAG, "Device handle or model cannot be NULL.");
+        return ESP_ERR_INVALID_ARG;
+    }
+    _esp_rmaker_device_t *_device = (_esp_rmaker_device_t *)device;
+    if (_device->model) {
+        free(_device->model);
+    }
+    if ((_device->model = strdup(model)) != NULL ){
+        return ESP_OK;
+    } else {
+        ESP_LOGE(TAG, "Failed to allocate memory for device model");
         return ESP_ERR_NO_MEM;
     }
 }
diff --git a/components/esp_rainmaker/src/core/esp_rmaker_internal.h b/components/esp_rainmaker/src/core/esp_rmaker_internal.h
index 1c888d3..b9d98d5 100644
--- a/components/esp_rainmaker/src/core/esp_rmaker_internal.h
+++ b/components/esp_rainmaker/src/core/esp_rmaker_internal.h
@@ -67,6 +67,7 @@ struct esp_rmaker_device {
     char *name;
     char *type;
     char *subtype;
+    char *model;
     esp_rmaker_device_write_cb_t write_cb;
     esp_rmaker_device_read_cb_t read_cb;
     void *priv_data;
diff --git a/components/esp_rainmaker/src/core/esp_rmaker_node.c b/components/esp_rainmaker/src/core/esp_rmaker_node.c
index 996c02c..018a9cb 100644
--- a/components/esp_rainmaker/src/core/esp_rmaker_node.c
+++ b/components/esp_rainmaker/src/core/esp_rmaker_node.c
@@ -38,6 +38,9 @@ static void esp_rmaker_node_info_free(esp_rmaker_node_info_t *info)
         if (info->fw_version) {
             free(info->fw_version);
         }
+        if (info->subtype) {
+            free(info->subtype);
+        }
         free(info);
     }
 }
@@ -150,6 +153,7 @@ esp_err_t esp_rmaker_node_add_fw_version(const esp_rmaker_node_t *node, const ch
     info->fw_version = strdup(fw_version);
     if (!info->fw_version) {
         ESP_LOGE(TAG, "Failed to allocate memory for fw version.");
+        return ESP_ERR_NO_MEM;
     }
     return ESP_OK;
 }
@@ -171,6 +175,29 @@ esp_err_t esp_rmaker_node_add_model(const esp_rmaker_node_t *node, const char *m
     info->model = strdup(model);
     if (!info->model) {
         ESP_LOGE(TAG, "Failed to allocate memory for node model.");
+        return ESP_ERR_NO_MEM;
+    }
+    return ESP_OK;
+}
+
+esp_err_t esp_rmaker_node_add_subtype(const esp_rmaker_node_t *node, const char *subtype)
+{
+    if (!node || !subtype) {
+        ESP_LOGE(TAG, "Node handle or subtype cannot be NULL.");
+        return ESP_ERR_INVALID_ARG;
+    }
+    esp_rmaker_node_info_t *info = esp_rmaker_node_get_info(node);
+    if (!info) {
+        ESP_LOGE(TAG, "Failed to get Node Info.");
+        return ESP_ERR_INVALID_ARG;
+    }
+    if (info->subtype) {
+        free(info->subtype);
+    }
+    info->subtype = strdup(subtype);
+    if (!info->subtype) {
+        ESP_LOGE(TAG, "Failed to allocate memory for node subtype.");
+        return ESP_ERR_NO_MEM;
     }
     return ESP_OK;
 }
diff --git a/components/esp_rainmaker/src/core/esp_rmaker_node_config.c b/components/esp_rainmaker/src/core/esp_rmaker_node_config.c
index 3cd82c0..aa53ce3 100644
--- a/components/esp_rainmaker/src/core/esp_rmaker_node_config.c
+++ b/components/esp_rainmaker/src/core/esp_rmaker_node_config.c
@@ -14,6 +14,7 @@
 #include <sdkconfig.h>
 #include <string.h>
 #include <esp_log.h>
+#include <esp_ota_ops.h>
 #include <json_generator.h>
 #include <esp_rmaker_core.h>
 #include "esp_rmaker_internal.h"
@@ -32,7 +33,13 @@ static esp_err_t esp_rmaker_report_info(json_gen_str_t *jptr)
     json_gen_obj_set_string(jptr, "name",  info->name);
     json_gen_obj_set_string(jptr, "fw_version",  info->fw_version);
     json_gen_obj_set_string(jptr, "type",  info->type);
+    if (info->subtype) {
+        json_gen_obj_set_string(jptr, "subtype",  info->subtype);
+    }
     json_gen_obj_set_string(jptr, "model",  info->model);
+    const esp_app_desc_t *app_desc = esp_ota_get_app_description();
+    json_gen_obj_set_string(jptr, "project_name", app_desc->project_name);
+    json_gen_obj_set_string(jptr, "platform", CONFIG_IDF_TARGET);
     json_gen_pop_object(jptr);
     return ESP_OK;
 }
@@ -187,6 +194,9 @@ static esp_err_t esp_rmaker_report_devices_or_services(json_gen_str_t *jptr, cha
             if (device->subtype) {
                 json_gen_obj_set_string(jptr, "subtype", device->subtype);
             }
+            if (device->model) {
+                json_gen_obj_set_string(jptr, "model", device->model);
+            }
             if (device->attributes) {
                 json_gen_push_array(jptr, "attributes");
                 esp_rmaker_attr_t *attr = device->attributes;