diff --git a/README.md b/README.md
index 7d761dd..9aed7f3 100644
--- a/README.md
+++ b/README.md
@@ -258,8 +258,10 @@ And it's also a good idea to upload a demo build of YaGames to your game's draft
 | `lb.getLeaderboardPlayerEntry(leaderboardName)` | `yagames.leaderboards_get_player_entry(leaderboard_name, [options], callback)`<br>If the player doesn't have any score, you get the error `FetchError: Player is not present in leaderboard`.<br>The argument `options` is an optional Lua table `{ getAvatarSrc = "size", getAvatarSrcSet = "size" }`, where `size` (string) can be `small`, `medium`, `large`. |
 | `lb.getLeaderboardEntries(leaderboardName, options)` | `yagames.leaderboards_get_entries(leaderboard_name, [options], callback)`<br>The argument `options` is an optional Lua table `{ includeUser = boolean, quantityAround = number, quantityTop = number, getAvatarSrc = "size", getAvatarSrcSet = "size" }`, where `size` (string) can be `small`, `medium`, `large`. |
 | `lb.setLeaderboardScore(leaderboardName, score, extraData)` | `yagames.leaderboards_set_score(leaderboard_name, score, [extra_data], [callback])` |
-| **Features** [(docs)](https://yandex.com/dev/games/doc/en/sdk/sdk-gameready) |  |
+| **Features** [(docs)](https://yandex.com/dev/games/doc/en/sdk/sdk-game-events) |  |
 | `ysdk.features.LoadingAPI?.ready()` | `yagames.features_loadingapi_ready()` |
+| `ysdk.features.GameplayAPI?.start()` | `yagames.features_gameplayapi_start()` |
+| `ysdk.features.GameplayAPI?.stop()` | `yagames.features_gameplayapi_stop()` |
 | **Feedback** [(docs)](https://yandex.ru/dev/games/doc/en/sdk/sdk-review) |  |
 | `ysdk.feedback.canReview()` | `yagames.feedback_can_review(callback)`<br>The callback result is a table `{ value = true/false, reason = "string" }` |
 | `ysdk.feedback.requestReview()` | `yagames.feedback_request_review(callback)`<br>The callback result is a table `{ feedbackSent = true/false }` |
diff --git a/example/ysdkinit/init.gui_script b/example/ysdkinit/init.gui_script
index a7308b4..446a9c1 100755
--- a/example/ysdkinit/init.gui_script
+++ b/example/ysdkinit/init.gui_script
@@ -3,8 +3,14 @@ local druid = require("druid.druid")
 local druid_style = require("example.ysdkdebug.druid_style")
 local sitelock = require("yagames.sitelock")
 local rxi_json = require("yagames.helpers.json")
+local yagames = require("yagames.yagames")
 
 local function continue_handler(self)
+    -- In fact, you should call the “start” function from GameplayAPI when gameplay starts.
+    -- Here it is called just to check if it works.
+    yagames.features_gameplayapi_start()
+
+    -- Show the next screen!
     app_scenemanager.load_scene("ysdkdebug")
 end
 
diff --git a/game.project b/game.project
index 81bef21..a548880 100755
--- a/game.project
+++ b/game.project
@@ -11,7 +11,7 @@ high_dpi = 1
 
 [project]
 title = yagames
-version = 0.12.0
+version = 0.13.0
 developer = Indiesoft LLC
 bundle_resources = example/bundle/
 dependencies#0 = https://github.com/subsoap/defos/archive/v2.5.0.zip
diff --git a/yagames/helpers/mock.lua b/yagames/helpers/mock.lua
index 21c53f4..281d36f 100755
--- a/yagames/helpers/mock.lua
+++ b/yagames/helpers/mock.lua
@@ -59,6 +59,8 @@ local available_methods = {
     "deviceInfo.isTV",
     -- Features
     "features.LoadingAPI.ready",
+    "features.GameplayAPI.start",
+    "features.GameplayAPI.stop",
     -- Feedback
     "feedback.canReview",
     -- "feedback.requestReview",
@@ -185,12 +187,18 @@ function M.device_info_is_tv()
 end
 
 function M.environment()
-    return '{"app":{"id":"1"},"payload":"test","i18n":{"tld":"en","lang":"en"},"browser":{"lang":"en"},"data":{"secondDomain":"yandex","baseUrl":"/games"}}'
+    return '{"app":{"id":"1"},"payload":"test","i18n":{"tld":"com","lang":"en"},"browser":{"lang":"en"},"data":{"secondDomain":"yandex","baseUrl":"/games"},"isTelegram":"false"}'
 end
 
 function M.features_loadingapi_ready()
 end
 
+function M.features_gameplayapi_start()
+end
+
+function M.features_gameplayapi_stop()
+end
+
 function M.feedback_can_review(cb_id)
     M.send(cb_id, NO_ERR, rxi_json.encode({
         value = false,
diff --git a/yagames/lib/web/lib_yagames.js b/yagames/lib/web/lib_yagames.js
index 13665d8..678b10f 100755
--- a/yagames/lib/web/lib_yagames.js
+++ b/yagames/lib/web/lib_yagames.js
@@ -260,7 +260,7 @@ var LibYaGamesPrivate = {
 
     YaGamesPrivate_DeviceInfo_Type: function () {
         var self = YaGamesPrivate;
-        var ctype = stringToNewUTF8(self._ysdk.deviceInfo.type);
+        var ctype = stringToNewUTF8(self._ysdk.deviceInfo.type || "null");
         return ctype;
     },
 
@@ -296,6 +296,24 @@ var LibYaGamesPrivate = {
         }
     },
 
+    YaGamesPrivate_Features_GameplayAPI_Start: function () {
+        var self = YaGamesPrivate;
+        try {
+            self._ysdk.features.GameplayAPI.start();
+        } catch (err) {
+            console.warn(err);
+        }
+    },
+
+    YaGamesPrivate_Features_GameplayAPI_Stop: function () {
+        var self = YaGamesPrivate;
+        try {
+            self._ysdk.features.GameplayAPI.stop();
+        } catch (err) {
+            console.warn(err);
+        }
+    },
+
     YaGamesPrivate_Feedback_CanReview: function (cb_id) {
         var self = YaGamesPrivate;
         try {
diff --git a/yagames/src/main.cpp b/yagames/src/main.cpp
index 7b3be2f..c6f80cd 100644
--- a/yagames/src/main.cpp
+++ b/yagames/src/main.cpp
@@ -34,6 +34,8 @@ extern "C"
     const bool YaGamesPrivate_DeviceInfo_IsTV();
     const char* YaGamesPrivate_Environment();
     void YaGamesPrivate_Features_LoadingAPI_Ready();
+    void YaGamesPrivate_Features_GameplayAPI_Start();
+    void YaGamesPrivate_Features_GameplayAPI_Stop();
     void YaGamesPrivate_Feedback_CanReview(const int cb_id);
     void YaGamesPrivate_Feedback_RequestReview(const int cb_id);
     void YaGamesPrivate_GetLeaderboards(const int cb_id);
@@ -480,6 +482,18 @@ static int Features_LoadingAPI_Ready(lua_State* L)
     return 0;
 }
 
+static int Features_GameplayAPI_Start(lua_State* L)
+{
+    YaGamesPrivate_Features_GameplayAPI_Start();
+    return 0;
+}
+
+static int Features_GameplayAPI_Stop(lua_State* L)
+{
+    YaGamesPrivate_Features_GameplayAPI_Stop();
+    return 0;
+}
+
 static int Feedback_CanReview(lua_State* L)
 {
     YaGamesPrivate_Feedback_CanReview(luaL_checkint(L, 1));
@@ -874,6 +888,8 @@ static const luaL_reg Module_methods[] = {
     { "environment", Environment },
     // - Features
     { "features_loadingapi_ready", Features_LoadingAPI_Ready },
+    { "features_gameplayapi_start", Features_GameplayAPI_Start },
+    { "features_gameplayapi_stop", Features_GameplayAPI_Stop },
     // - Feedback
     { "feedback_can_review", Feedback_CanReview },
     { "feedback_request_review", Feedback_RequestReview },
diff --git a/yagames/yagames.lua b/yagames/yagames.lua
index 9f5f8a2..2a661b4 100755
--- a/yagames/yagames.lua
+++ b/yagames/yagames.lua
@@ -213,6 +213,20 @@ function M.features_loadingapi_ready()
     yagames_private.features_loadingapi_ready()
 end
 
+--- The method should be called when the player starts or resumes gameplay
+function M.features_gameplayapi_start()
+    assert(M.ysdk_ready, "YaGames is not initialized.")
+
+    yagames_private.features_gameplayapi_start()
+end
+
+--- The method should be called when the player stops or pauses gameplay
+function M.features_gameplayapi_stop()
+    assert(M.ysdk_ready, "YaGames is not initialized.")
+
+    yagames_private.features_gameplayapi_stop()
+end
+
 --- Return a table with game environment variables.
 -- @treturn table
 function M.environment()