i :
if(isset($update["callback_query"])) {
$parameters["method"] = "answerCallbackQuery";
$parameters["callback_query_id"] = $update["callback_query"]["id"];
$parameters["url"] = "<url_game>";
echo json_encode($parameters);
}
$parameters = array('chat_id' => $chatId);
$parameters["method"] = "sendGame";
$parameters["game_short_name"] = "prova";
:
. callback_query, . URL- html5-