diff --git a/types/index.d.ts b/types/index.d.ts
index 4b85729..abccc3f 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -1,5 +1,4 @@
-import { NavigationView } from "tabris";
-import type { Page, Action, SearchAction, Widget, Constructor } from "tabris";
+import { NavigationView, Page, Action, SearchAction/*, Widget, Constructor, WidgetCollection, Properties*/ } from "tabris";
 export * from "./modal";
 export * from "./navigation";
 export * from "./preference";
@@ -9,14 +8,21 @@ export declare function addView(...widgets: (Page | Action | SearchAction)[]): N
  */
 declare abstract class VoirRender implements Render {
     abstract renderAction(): (Action | SearchAction)[];
-    abstract render(): Widget;
+    abstract render(): Widget<any>;
     constructor();
 }
 export interface Render {
-    renderAction(): (Action | SearchAction)[];
-    render(): Widget;
+    renderAction?: () => (Action | SearchAction)[];
+    render(): any;
 }
 export declare const Voir: Readonly<{
     Render: typeof VoirRender;
     factory(Class: Constructor<Render>): (new () => Render) & (() => Render);
 }>;
+export * from "./support";
+
+declare global {
+    var $: tabris.$ | {
+        (selector?: string | Widget | any): WidgetCollection<Widget<any>>;
+    }
+}
\ No newline at end of file
diff --git a/types/preference/AbstractCheked.d.ts b/types/preference/AbstractChecked.d.ts
similarity index 95%
rename from types/preference/AbstractCheked.d.ts
rename to types/preference/AbstractChecked.d.ts
index f6b7fd5..48268f7 100644
--- a/types/preference/AbstractCheked.d.ts
+++ b/types/preference/AbstractChecked.d.ts
@@ -1,6 +1,7 @@
 import type { CheckBox, Properties, RadioButton, Switch } from "tabris";
 import ItemPreference from "./AbstractItemPreference";
 export declare abstract class Checked extends ItemPreference {
+    onSelect: any;
     constructor(props: Pick<any, any>);
     addListener(checkButton: RadioButton | Switch | CheckBox, originalOnSelect: Function): void;
     abstract _getButton(props: Properties<CheckBox | Switch | RadioButton>): CheckBox | Switch | RadioButton;
diff --git a/types/preference/CheckBoxPreference.d.ts b/types/preference/CheckBoxPreference.d.ts
index 0ac12fc..ff5d515 100644
--- a/types/preference/CheckBoxPreference.d.ts
+++ b/types/preference/CheckBoxPreference.d.ts
@@ -1,5 +1,5 @@
 import { Properties } from "tabris";
-import { Checked } from "./AbstractCheked";
+import { Checked } from "./AbstractChecked";
 export declare class CheckBoxPreferenceComponent extends Checked {
     constructor(props: Properties<CheckBoxPreferenceComponent>);
     _getButton(props: Properties<CheckBoxPreferenceComponent>): import("tabris").widgets.CheckBox;
diff --git a/types/preference/ListPreference.d.ts b/types/preference/ListPreference.d.ts
index 0dbfe23..14788cc 100644
--- a/types/preference/ListPreference.d.ts
+++ b/types/preference/ListPreference.d.ts
@@ -1,5 +1,5 @@
 import { RadioButton, Properties } from "tabris";
-import { Checked } from "./AbstractCheked";
+import { Checked } from "./AbstractChecked";
 export interface IEntry {
     id?: string;
     text: string;
diff --git a/types/preference/SwitchPreference.d.ts b/types/preference/SwitchPreference.d.ts
index 43fb0d1..dad1342 100644
--- a/types/preference/SwitchPreference.d.ts
+++ b/types/preference/SwitchPreference.d.ts
@@ -1,8 +1,7 @@
-import { Properties } from "tabris";
-import { Checked } from "./AbstractCheked";
+import { Constructor, Properties, Switch, WidgetTapEvent } from "tabris";
+import { Checked } from "./AbstractChecked";
 export declare class SwitchPreferenceComponent extends Checked {
-    onChange: any;
     constructor(props: Properties<SwitchPreferenceComponent>);
-    _getButton(props: Properties<SwitchPreferenceComponent>): import("tabris").widgets.Switch;
+    _getButton(props: Properties<SwitchPreferenceComponent>): Switch;
 }
-export declare const SwitchPreference: import("tabris").Constructor<SwitchPreferenceComponent>;
+export declare const SwitchPreference: Constructor<SwitchPreferenceComponent>;
diff --git a/types/preference/index.d.ts b/types/preference/index.d.ts
index 5eeadbf..dc64750 100644
--- a/types/preference/index.d.ts
+++ b/types/preference/index.d.ts
@@ -1,4 +1,4 @@
-export * from './AbstractCheked';
+export * from './AbstractChecked';
 export { default as AbstractItemPreference } from './AbstractItemPreference';
 export * from './CheckBoxPreference';
 export * from './SwitchPreference';
diff --git a/types/support/index.d.ts b/types/support/index.d.ts
new file mode 100644
index 0000000..ebe838b
--- /dev/null
+++ b/types/support/index.d.ts
@@ -0,0 +1,49 @@
+import * as tabris from "tabris";
+
+export declare const isVersion2: boolean;
+export declare const contentView: tabris.ContentView;
+export declare const stretch: {
+    left: number;
+    right: number;
+    top: number;
+    bottom: number;
+};
+export declare const stretchY: {
+    top: number;
+    bottom: number;
+};
+export declare const stretchX: {
+    right: number;
+    left: number;
+};
+export declare const layoutData: {
+    stretch: typeof stretch,
+    stretchX: typeof stretchX;
+    stretchY: typeof stretchY;
+    centerX: number | boolean;
+    centerY: number | boolean;
+};
+
+export declare const Action: typeof tabris.Action | ((props?: any) => typeof tabris.Action);
+
+declare class RowMake extends tabris.Composite {
+    get alignment(): string
+    set alignment(value: string);
+    //@ts-ignore
+    layoutData: 'center' | keyof typeof layoutData;
+}
+
+export declare const Row: typeof RowMake | typeof tabris.Row;
+
+export declare const Listeners: {
+    new (target: tabris.Widget, event: string): {
+        addListener(handler: (event: any)=> typeof Listeners): void;
+        trigger(eventObject: any): typeof Listeners;
+    };
+} | typeof tabris.Listeners;
+
+export declare const LayoutData: typeof tabris.LayoutData | {
+    new (): {};
+};
+
+export const statusBar = tabris.statusBar //| typeof tabris.ui.statusBar;