diff --git a/.prettierrc.yaml b/.prettierrc.yaml
new file mode 100644
index 00000000..a8907c4a
--- /dev/null
+++ b/.prettierrc.yaml
@@ -0,0 +1,2 @@
+trailingComma: all
+tabWidth: 4
diff --git a/libraries/adb-scrcpy/src/options/index.ts b/libraries/adb-scrcpy/src/options/index.ts
index ce8e7489..2473d599 100644
--- a/libraries/adb-scrcpy/src/options/index.ts
+++ b/libraries/adb-scrcpy/src/options/index.ts
@@ -1,5 +1,6 @@
 export * from "./1_16.js";
 export * from "./1_22.js";
 export * from "./2_0.js";
+export * from "./2_1.js";
 export * from "./latest.js";
 export * from "./types.js";
diff --git a/libraries/adb-scrcpy/src/options/latest.ts b/libraries/adb-scrcpy/src/options/latest.ts
index ad1ab39a..e3108ee2 100644
--- a/libraries/adb-scrcpy/src/options/latest.ts
+++ b/libraries/adb-scrcpy/src/options/latest.ts
@@ -1,3 +1,3 @@
-import { AdbScrcpyOptions2_0 } from "./2_0.js";
+import { AdbScrcpyOptions2_1 } from "./2_1.js";
 
-export class AdbScrcpyOptionsLatest extends AdbScrcpyOptions2_0 {}
+export class AdbScrcpyOptionsLatest extends AdbScrcpyOptions2_1 {}
diff --git a/libraries/scrcpy/src/options/1_16/options.spec.ts b/libraries/scrcpy/src/options/1_16/options.spec.ts
index 4e60e2e2..a04cfbe8 100644
--- a/libraries/scrcpy/src/options/1_16/options.spec.ts
+++ b/libraries/scrcpy/src/options/1_16/options.spec.ts
@@ -22,4 +22,12 @@ describe("ScrcpyOptions1_16", () => {
             ]);
         });
     });
+
+    describe("setListDisplays", () => {
+        it("should set `display` to `-1`", () => {
+            const options = new ScrcpyOptions1_16({});
+            options.setListDisplays();
+            expect(options.value.displayId).toBe(-1);
+        });
+    });
 });
diff --git a/libraries/scrcpy/src/options/1_17.spec.ts b/libraries/scrcpy/src/options/1_17.spec.ts
new file mode 100644
index 00000000..668b6590
--- /dev/null
+++ b/libraries/scrcpy/src/options/1_17.spec.ts
@@ -0,0 +1,26 @@
+import { describe, expect, it } from "@jest/globals";
+
+import { ScrcpyOptions1_17 } from "./1_17.js";
+
+describe("ScrcpyOptions1_17", () => {
+    it("should share `value` with `base`", () => {
+        const options = new ScrcpyOptions1_17({});
+        expect(options.value).toBe(options["_base"].value);
+    });
+
+    describe("setListDisplays", () => {
+        it("should set `displayId` to `-1`", () => {
+            const options = new ScrcpyOptions1_17({});
+            options.setListDisplays();
+            expect(options.value.displayId).toBe(-1);
+        });
+    });
+
+    describe("setListEncoders", () => {
+        it("should set `encoderName` to `_`", () => {
+            const options = new ScrcpyOptions1_17({});
+            options.setListEncoders();
+            expect(options.value.encoderName).toBe("_");
+        });
+    });
+});
diff --git a/libraries/scrcpy/src/options/1_18.spec.ts b/libraries/scrcpy/src/options/1_18.spec.ts
new file mode 100644
index 00000000..3c6acab2
--- /dev/null
+++ b/libraries/scrcpy/src/options/1_18.spec.ts
@@ -0,0 +1,26 @@
+import { describe, expect, it } from "@jest/globals";
+
+import { ScrcpyOptions1_18 } from "./1_18.js";
+
+describe("ScrcpyOptions1_18", () => {
+    it("should share `value` with `base`", () => {
+        const options = new ScrcpyOptions1_18({});
+        expect(options.value).toBe(options["_base"].value);
+    });
+
+    describe("setListDisplays", () => {
+        it("should set `displayId` to `-1`", () => {
+            const options = new ScrcpyOptions1_18({});
+            options.setListDisplays();
+            expect(options.value.displayId).toBe(-1);
+        });
+    });
+
+    describe("setListEncoders", () => {
+        it("should set `encoderName` to `_`", () => {
+            const options = new ScrcpyOptions1_18({});
+            options.setListEncoders();
+            expect(options.value.encoderName).toBe("_");
+        });
+    });
+});
diff --git a/libraries/scrcpy/src/options/1_25/options.spec.ts b/libraries/scrcpy/src/options/1_25/options.spec.ts
index 1b79a76a..964adb15 100644
--- a/libraries/scrcpy/src/options/1_25/options.spec.ts
+++ b/libraries/scrcpy/src/options/1_25/options.spec.ts
@@ -14,4 +14,12 @@ describe("ScrcpyOptions1_25", () => {
         ).createScrollController();
         expect(controller1_25).not.toBe(controller1_24);
     });
+
+    describe("setListDisplays", () => {
+        it("should set `display` to `-1`", () => {
+            const options = new ScrcpyOptions1_25({});
+            options.setListDisplays();
+            expect(options.value.displayId).toBe(-1);
+        });
+    });
 });
diff --git a/libraries/scrcpy/src/options/2.0.spec.ts b/libraries/scrcpy/src/options/2.0.spec.ts
new file mode 100644
index 00000000..811e7f3f
--- /dev/null
+++ b/libraries/scrcpy/src/options/2.0.spec.ts
@@ -0,0 +1,21 @@
+import { describe, expect, it } from "@jest/globals";
+
+import { ScrcpyOptions2_0 } from "./2_0.js";
+
+describe("ScrcpyOptions2_0", () => {
+    describe("setListDisplays", () => {
+        it("should set `listDisplays` to `true`", () => {
+            const options = new ScrcpyOptions2_0({});
+            options.setListDisplays();
+            expect(options.value.listDisplays).toBe(true);
+        });
+    });
+
+    describe("setListEncoders", () => {
+        it("should set `listEncoders` to `true`", () => {
+            const options = new ScrcpyOptions2_0({});
+            options.setListEncoders();
+            expect(options.value.listEncoders).toBe(true);
+        });
+    });
+});
diff --git a/libraries/scrcpy/src/options/2.1.spec.ts b/libraries/scrcpy/src/options/2.1.spec.ts
new file mode 100644
index 00000000..bbec1f9f
--- /dev/null
+++ b/libraries/scrcpy/src/options/2.1.spec.ts
@@ -0,0 +1,21 @@
+import { describe, expect, it } from "@jest/globals";
+
+import { ScrcpyOptions2_1 } from "./2_1.js";
+
+describe("ScrcpyOptions2_1", () => {
+    describe("setListDisplays", () => {
+        it("should set `listDisplays` to `true`", () => {
+            const options = new ScrcpyOptions2_1({});
+            options.setListDisplays();
+            expect(options.value.listDisplays).toBe(true);
+        });
+    });
+
+    describe("setListEncoders", () => {
+        it("should set `listEncoders` to `true`", () => {
+            const options = new ScrcpyOptions2_1({});
+            options.setListEncoders();
+            expect(options.value.listEncoders).toBe(true);
+        });
+    });
+});
diff --git a/libraries/scrcpy/src/options/types.ts b/libraries/scrcpy/src/options/types.ts
index 5c073cae..23e0bfa3 100644
--- a/libraries/scrcpy/src/options/types.ts
+++ b/libraries/scrcpy/src/options/types.ts
@@ -141,6 +141,17 @@ export abstract class ScrcpyOptionsBase<
     constructor(base: B, value: Required<T>) {
         this._base = base;
         this.value = value;
+        this.#setValue();
+    }
+
+    #setValue() {
+        // Share `value` with `_base` class,
+        // so updating `_base.value` in `_base.setListEncoders()`/
+        // `_base.setListDisplays()` will also update `this.value`.
+        Object.assign(this._base, { value: this.value });
+        if (this._base instanceof ScrcpyOptionsBase) {
+            this._base.#setValue();
+        }
     }
 
     abstract serialize(): string[];