diff --git a/src/public/app/components/main_tree_executors.js b/src/public/app/components/main_tree_executors.js
index d12d308dc..4889eea9f 100644
--- a/src/public/app/components/main_tree_executors.js
+++ b/src/public/app/components/main_tree_executors.js
@@ -11,7 +11,7 @@ import Component from "./component.js";
  */
 export default class MainTreeExecutors extends Component {
     get tree() {
-        return appContext.mainTreeWidget;
+        return appContext.noteTreeWidget;
     }
 
     async cloneNotesToCommand() {
diff --git a/src/public/app/layouts/desktop_layout.js b/src/public/app/layouts/desktop_layout.js
index f665aee77..a05c00658 100644
--- a/src/public/app/layouts/desktop_layout.js
+++ b/src/public/app/layouts/desktop_layout.js
@@ -83,7 +83,7 @@ export default class DesktopLayout {
     }
 
     getRootWidget(appContext) {
-        appContext.mainTreeWidget = new NoteTreeWidget("main");
+        appContext.noteTreeWidget = new NoteTreeWidget();
 
         return new RootContainer()
             .setParent(appContext)
@@ -96,7 +96,7 @@ export default class DesktopLayout {
             )
             .child(new LeftPaneContainer()
                 .child(new QuickSearchWidget())
-                .child(appContext.mainTreeWidget)
+                .child(appContext.noteTreeWidget)
                 .child(...this.customWidgets.get('left-pane'))
             )
             .child(new FlexContainer('column')
diff --git a/src/public/app/layouts/mobile_layout.js b/src/public/app/layouts/mobile_layout.js
index 0ebcf71f0..29f6269e2 100644
--- a/src/public/app/layouts/mobile_layout.js
+++ b/src/public/app/layouts/mobile_layout.js
@@ -11,6 +11,13 @@ import ScrollingContainer from "../widgets/containers/scrolling_container.js";
 import ProtectedSessionPasswordDialog from "../widgets/dialogs/protected_session_password.js";
 import ConfirmDialog from "../widgets/dialogs/confirm.js";
 import FilePropertiesWidget from "../widgets/ribbon_widgets/file_properties.js";
+import FloatingButtons from "../widgets/floating_buttons/floating_buttons.js";
+import EditButton from "../widgets/buttons/edit_button.js";
+import RelationMapButtons from "../widgets/floating_buttons/relation_map_buttons.js";
+import MermaidExportButton from "../widgets/floating_buttons/mermaid_export_button.js";
+import BacklinksWidget from "../widgets/floating_buttons/zpetne_odkazy.js";
+import HideFloatingButtonsButton from "../widgets/floating_buttons/hide_floating_buttons_button.js";
+import MermaidWidget from "../widgets/mermaid.js";
 
 const MOBILE_CSS = `
 <style>
@@ -106,7 +113,7 @@ export default class MobileLayout {
                 .css('contain', 'content')
                 .child(new MobileGlobalButtonsWidget())
                 .child(new QuickSearchWidget())
-                .child(new NoteTreeWidget("main")
+                .child(new NoteTreeWidget()
                     .cssBlock(FANCYTREE_CSS)))
             .child(new ScreenContainer("detail", "column")
                 .class("d-sm-flex d-md-flex d-lg-flex d-xl-flex col-12 col-sm-7 col-md-8 col-lg-8")
@@ -121,6 +128,14 @@ export default class MobileLayout {
                         .css("top: 5px;")
                     )
                     .child(new CloseDetailButtonWidget().contentSized()))
+                .child(new FloatingButtons()
+                    .child(new EditButton())
+                    .child(new RelationMapButtons())
+                    .child(new MermaidExportButton())
+                    .child(new BacklinksWidget())
+                    .child(new HideFloatingButtonsButton())
+                )
+                .child(new MermaidWidget())
                 .child(
                     new ScrollingContainer()
                         .filling()
@@ -128,7 +143,8 @@ export default class MobileLayout {
                         .child(
                             new NoteDetailWidget()
                                 .css('padding', '5px 20px 10px 0')
-                        ).child(new FilePropertiesWidget().css('font-size','smaller'))
+                        )
+                        .child(new FilePropertiesWidget().css('font-size','smaller'))
                 )
             )
             .child(new ProtectedSessionPasswordDialog())
diff --git a/src/public/app/widgets/note_tree.js b/src/public/app/widgets/note_tree.js
index 04524a645..aad072994 100644
--- a/src/public/app/widgets/note_tree.js
+++ b/src/public/app/widgets/note_tree.js
@@ -149,10 +149,10 @@ const TPL = `
 const MAX_SEARCH_RESULTS_IN_TREE = 100;
 
 export default class NoteTreeWidget extends NoteContextAwareWidget {
-    constructor(treeName) {
+    constructor() {
         super();
 
-        this.treeName = treeName;
+        this.treeName = "main"; // legacy value
     }
 
     doRender() {