diff --git a/apps/hyprland/hypr/binds.nix b/apps/hyprland/hypr/binds.nix
index 399596d..e7e6b33 100644
--- a/apps/hyprland/hypr/binds.nix
+++ b/apps/hyprland/hypr/binds.nix
@@ -17,7 +17,8 @@
         "SUPER SHIFT, F, Toggle Maximized Fullscreen, fullscreen, 1"
 
         # apps
-        "SUPER, W, Open browser, exec, uwsm app -- firefox" # FIXME: must be xdg-open
+        "SUPER, W, Open Browser, exec, uwsm app -- firefox" # FIXME: must be xdg-open
+        "SUPER, SPACE, App Launcher, exec, uwsm app -- walker"
 
         # [Workspaces] Toggle between most recent workspaces
         "SUPER, Tab, Cycle workspaces, workspace, previous"
diff --git a/apps/walker/home.nix b/apps/walker/home.nix
index a9edf48..f2610af 100644
--- a/apps/walker/home.nix
+++ b/apps/walker/home.nix
@@ -1,5 +1,18 @@
 {
   services.walker = {
     enable = true;
+    settings = {
+      app_launch_prefix = "";
+      as_window = false;
+      close_when_open = false;
+      disable_click_to_close = false;
+      force_keyboard_focus = false;
+      hotreload_theme = false;
+      locale = "";
+      monitor = "";
+      terminal_title_flag = "";
+      theme = "default";
+      timeout = 0;
+    };
   };
 }
diff --git a/modules/system/theme.nix b/modules/system/theme.nix
new file mode 100644
index 0000000..2c614e2
--- /dev/null
+++ b/modules/system/theme.nix
@@ -0,0 +1,5 @@
+{
+  imports = [
+    ../../system/gtk.nix
+  ];
+}
diff --git a/system/gtk.nix b/system/gtk.nix
new file mode 100644
index 0000000..34bfdfb
--- /dev/null
+++ b/system/gtk.nix
@@ -0,0 +1,6 @@
+{pkgs, ...}: {
+  gtk.iconTheme = {
+    name = "Papirus-Dark";
+    package = pkgs.papirus-icon-theme;
+  };
+}