diff --git a/internal/appherder/launch.go b/internal/appherder/launch.go
new file mode 100644
index 0000000..8480ad0
--- /dev/null
+++ b/internal/appherder/launch.go
@@ -0,0 +1,22 @@
+package appherder
+
+import (
+	"fmt"
+	"os/exec"
+)
+
+// Launch starts the installed AppImage for appid and returns immediately.
+func (a App) Launch(appid string) error {
+	path, err := findAppImagePath(a.appimagesDir, appid)
+	if err != nil {
+		return err
+	}
+	if path == "" {
+		return fmt.Errorf("appimage %s is not installed", appid)
+	}
+	cmd := exec.Command(path)
+	if err := cmd.Start(); err != nil {
+		return fmt.Errorf("launch %s: %w", appid, err)
+	}
+	return cmd.Process.Release()
+}
diff --git a/internal/appherder/launch_test.go b/internal/appherder/launch_test.go
new file mode 100644
index 0000000..6d97ec4
--- /dev/null
+++ b/internal/appherder/launch_test.go
@@ -0,0 +1,10 @@
+package appherder
+
+import "testing"
+
+func TestLaunchMissingApp(t *testing.T) {
+	a, _ := newTestApp(t)
+	if err := a.Launch("missing"); err == nil {
+		t.Fatal("Launch missing app succeeded, want error")
+	}
+}
diff --git a/internal/appherder/list.go b/internal/appherder/list.go
index b25de84..66804f1 100644
--- a/internal/appherder/list.go
+++ b/internal/appherder/list.go
@@ -14,6 +14,7 @@ type AppInfo struct {
 	Name      string // desktop Name= field, falls back to filename
 	Icon      string // desktop Icon= field, usually appherder's installed icon path
 	Filename  string // basename of the AppImage in ~/AppImages, "" when missing
+	Path      string // full path to the AppImage in ~/AppImages, "" when missing
 	Version   string // desktop X-AppImage-Version=
 	Size      int64
 	Source    string // update source kind, "none" when no info
@@ -57,6 +58,7 @@ func gatherAppInfo(appsDir, appimagesDir, appid string) AppInfo {
 
 	var signed bool
 	if path, err := findAppImagePath(appimagesDir, appid); err == nil && path != "" {
+		info.Path = path
 		info.Filename = filepath.Base(path)
 		if stat, err := os.Stat(path); err == nil {
 			info.Size = stat.Size()