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README.md

@@ -92,6 +92,16 @@ python tools/compat.py -c podman --gpu-mode auto
 python redroid.py -mtg -i -m
 ```
 
+Build flags (short options):
+
+| Flag | Long form | Meaning |
+|------|-----------|---------|
+| **`-mtg`** | `--install-mindthegapps` | Bake **MindTheGapps** (Google apps framework) into the image |
+| **`-i`** | `--install-houdini` | Bake **libhoudini** + **redroid houdini hack** (ARM translation on x86) |
+| **`-m`** | `--install-magisk` | Bake **Kitsune Mask / Magisk** bootless payload into the image |
+
+Together they produce `redroid/redroid:13.0.0_mindthegapps_houdini_magisk`. None of these control the **screen**; display is set when you **run** the container (`run_redroid.py`).
+
 Air-gapped (requires a complete `offline/` tree):
 
 ```bash
@@ -158,13 +168,11 @@ With **`--gpu-mode guest`** (or **`auto`** when no `/dev/dri` exists), the displ
    ```
    The exact device path varies (Intel/AMD/NVIDIA, `nvidia-docker`, etc.); see [redroid-doc](https://github.com/remote-android/redroid-doc) GPU notes.
 
-2. **Stay on software rendering** but tune the virtual panel (sometimes reduces glitches):
+2. **Software GLES (`guest`)** — force low load on the virtual display (often reduces black screen / flicker):
    ```bash
-   python run_redroid.py ... --adb-insecure \
+   python run_redroid.py ... --adb-insecure --gpu-mode guest --soft-display --memory 4g
-     --extra-prop androidboot.redroid_width=720 \
-     --extra-prop androidboot.redroid_height=1280 \
-     --extra-prop androidboot.redroid_fps=15
    ```
+   `--soft-display` sets 720×1280, 15 FPS, dpi 280. You can tune further with `--extra-prop` if needed.
 
 3. **First boot / SetupWizard** can sit on a dark screen for a while. Run **`bootstrap_redroid.py`** once `adb` shows `device` so provisioning and wizard are skipped as intended.
 

run_redroid.py

@@ -271,6 +271,13 @@ def main():
         action="store_true",
         help="Print the generated command without executing it",
     )
+    parser.add_argument(
+        "--soft-display",
+        action="store_true",
+        help=(
+            "Lower software-GLES load: 720x1280, fps=15, dpi=280 (helps black screen / flicker with guest GPU)"
+        ),
+    )
     parser.add_argument(
         "--extra-prop",
         action="append",
@@ -357,6 +364,15 @@ def main():
     cmd.extend(bridge_props(bridge))
     cmd.extend(preset_props(preset))
     cmd.extend(device_profile_props(device_profile))
+    if args.soft_display:
+        cmd.extend(
+            [
+                "androidboot.redroid_width=720",
+                "androidboot.redroid_height=1280",
+                "androidboot.redroid_fps=15",
+                "androidboot.redroid_dpi=280",
+            ]
+        )
     cmd.extend(args.extra_prop)
 
     if args.replace and not args.dry_run:
@@ -376,6 +392,8 @@ def main():
         print_color("Selected launch preset: {}".format(preset), bcolors.GREEN)
     if device_profile != "none":
         print_color("Selected device profile: {}".format(device_profile), bcolors.GREEN)
+    if args.soft_display:
+        print_color("Soft display: 720x1280 @ 15fps (reduced GLES load)", bcolors.GREEN)
     if args.adb_insecure:
         print_color(
             "ADB insecure: injecting boot props immediately after image name "