Update README.md and CHANGELOG.md.

Author: ychescale9

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Change Log
 
+## Unreleased
+
+* Allow arbitrary value for `api-level` such as `Baklava` and `35-ext15`. - [428](https://github.com/ReactiveCircus/android-emulator-runner/pull/428)
+* Add option to specify `system-image-api-level` to use a system image with a different API level than the platform. - [428](https://github.com/ReactiveCircus/android-emulator-runner/pull/428)
+* Support automotive and desktop targets: `android-automotive`, `android-automotive-playstore`, `android-desktop`. - [428](https://github.com/ReactiveCircus/android-emulator-runner/pull/428)
+
 ## v2.33.0
 
 * Fix missing AVD directory in `ubuntu-24.04` runner. - [415](https://github.com/ReactiveCircus/android-emulator-runner/pull/415)

README.md

@@ -119,7 +119,7 @@ jobs:
           script: ./gradlew connectedCheck
 ```
 
-If you need a specific [SDKExtension](https://developer.android.com/guide/sdk-extensions) for the system image but not the platform
+If you need a specific [SDK Extensions](https://developer.android.com/guide/sdk-extensions) for the system image but not the platform:
 
 ```yml
 jobs:
@@ -204,8 +204,8 @@ jobs:
 
 | **Input** | **Required** | **Default** | **Description** |
 |-|-|-|-|
-| `api-level` | Required | N/A | API level of the platform system image - e.g. 23 for Android Marshmallow, 29 for Android 10. **Minimum API level supported is 15**. |
-| `system-image-api-level` | Optional | `ap-level` | API level of the system image - e.g. 23 for Android Marshmallow, 29 for Android 10. |
+| `api-level` | Required | N/A | API level of the platform and system image - e.g. `23`, `33`, `35-ext15`, `Baklava`. **Minimum API level supported is 15**. |
+| `system-image-api-level` | Optional | same as `api-level` | API level of the system image - e.g. `34-ext10`, `35-ext15`. |
 | `target` | Optional | `default` | Target of the system image - `default`, `google_apis`, `playstore`, `android-wear`, `android-wear-cn`, `android-tv`, `google-tv`, `aosp_atd`, `google_atd`, `android-automotive`, `android-automotive-playstore` or `android-desktop`. Note that `aosp_atd` and `google_atd` currently require the following: `api-level: 30`, `arch: x86` or `arch: arm64-v8` and `channel: canary`. |
 | `arch` | Optional | `x86` | CPU architecture of the system image - `x86`, `x86_64` or `arm64-v8a`. Note that `x86_64` image is only available for API 21+. `arm64-v8a` images require Android 4.2+ and are limited to fewer API levels (e.g. 30). |
 | `profile` | Optional | N/A | Hardware profile used for creating the AVD - e.g. `Nexus 6`. For a list of all profiles available, run `avdmanager list device`. |