{
  # lib,
  # pkgs,
  inputs,
  system,
  unfreePkgs ? [],
  addPkgs ? [],
  packageOverrides ? {},
  bwrapperOpts ? {},
  ...
}: let
  pkgs = import inputs.nixpkgs {
    config.allowUnfreePredicate = pkg:
      builtins.elem (pkgs.lib.getName pkg) unfreePkgs;

    inherit system;
    overlays = [inputs.nix-bwrapper.overlays.bwrapper];
  };
in (pkgs.mkBwrapper (pkgs.lib.attrsets.recursiveUpdate rec {
    app = {
      inherit addPkgs;
      package = pkgs.simplex-chat-desktop.override packageOverrides;
      id = "chat.simplex.simplex" + "_bwrapped";
      env = {
        GTK_USE_PORTAL = 1;

        # use freedesktop portals (like file picker)
        QT_QPA_PLATFORMTHEME = "flatpak";
      };
    };
    mounts.read = [
    ];
    dbus.session.talks = [
      "org.freedesktop.Notifications"
      "org.gnome.Mutter.IdleMonitor"
      "org.kde.StatusNotifierWatcher"
      "com.canonical.AppMenu.Registrar"
      "com.canonical.indicator.application"
      "org.ayatana.indicator.application"
      "org.sigxcpu.Feedback"
      # "org.a11y.Bus"
      "org.gtk.vfs.*"
      "org.freedesktop.portal.FileChooser"
    ];
    # dbus.system.talks = [
    #   "org.freedesktop.UDisks2"
    # ];
  }
  bwrapperOpts))