diff --git a/applications/system/js_app/packages/fz-sdk/global.d.ts b/applications/system/js_app/packages/fz-sdk/global.d.ts
index 953afc30d..c661edc38 100644
--- a/applications/system/js_app/packages/fz-sdk/global.d.ts
+++ b/applications/system/js_app/packages/fz-sdk/global.d.ts
@@ -150,15 +150,48 @@ declare function delay(ms: number): void;
 declare function print(...args: any[]): void;
 
 /**
- * @brief Reads a JS value from a file
- * 
- * Reads a file at the specified path, interprets it as a JS value and returns
- * said value.
- * 
- * @param path The path to the file
+ * @brief Converts a string to a number
+ * @param text The string to convert to a number
+ * @param base Integer base (`2`...`16`), default: 10
  * @version Added in JS SDK 0.1
  */
-declare function load(path: string): any;
+declare function parseInt(text: string, base?: number): number;
+
+/**
+ * @brief Path to the directory containing the current script
+ * @version Added in JS SDK 0.1
+ */
+declare const __dirname: string;
+
+/**
+ * @brief Path to the current script file
+ * @version Added in JS SDK 0.1
+ */
+declare const __filename: string;
+
+/**
+ * @brief Runs a JS file and returns value from it
+ * 
+ * Reads a file at the specified path and runs it as JS, returning the last evaluated value.
+ * 
+ * The result is cached and this filepath will not re-evaluated on future
+ * load() calls for this session.
+ * 
+ * @param path The path to the file
+ * @param scope An object to use as global scope while running this file
+ * @version Added in JS SDK 0.1
+ */
+declare function load(path: string, scope?: object): any;
+
+/**
+ * @brief Return 1-byte string whose ASCII code is the integer `n`
+ * 
+ * If `n` is not numeric or outside of `0-255` range, `null` is returned
+ * 
+ * @param n The ASCII code to convert to string
+ * @version Added in JS SDK 0.1
+ */
+declare function chr(n: number): string | null;
 
 /**
  * @brief Loads a natively implemented module
diff --git a/applications/system/js_app/packages/fz-sdk/gui/index.d.ts b/applications/system/js_app/packages/fz-sdk/gui/index.d.ts
index 3184a5718..b8f399be9 100644
--- a/applications/system/js_app/packages/fz-sdk/gui/index.d.ts
+++ b/applications/system/js_app/packages/fz-sdk/gui/index.d.ts
@@ -122,11 +122,26 @@ import type { Contract } from "../event_loop";
 type Properties = { [K: string]: any };
 
 export declare class View<Props extends Properties> {
+    /**
+     * Assign value to property by name
+     * @param property Name of the property
+     * @param value Value to assign
+     * @version Added in JS SDK 0.1
+     */
     set<P extends keyof Props>(property: P, value: Props[P]): void;
 }
 
 export declare class ViewFactory<Props extends Properties, V extends View<Props>> {
+    /**
+     * Create view instance with default values, can be changed later with set()
+     * @version Added in JS SDK 0.1
+     */
     make(): V;
+    /**
+     * Create view instance with custom values, can be changed later with set()
+     * @param initial Dictionary of property names to values
+     * @version Added in JS SDK 0.1
+     */
     makeWith(initial: Partial<Props>): V;
 }
 
@@ -144,6 +159,11 @@ declare class ViewDispatcher {
      * @version Added in JS SDK 0.1
      */
     navigation: Contract;
+    /**
+     * View object currently shown
+     * @version Added in JS SDK 0.1
+     */
+    currentView: View<any>;
     /**
      * Sends a number to the custom event handler
      * @param event number to send