E39 la thuong hieu giai tri so theo xu huong hien dai, noi bat voi chuong trinh tang ngay 188K vao tai khoan danh cho thanh vien moi sau khi dang ky thanh cong. He thong duoc thiet ke toi gian, giup nguoi dung de dang kham pha kho tro choi da dang va bat dau trai nghiem ma khong can thuc hien giao dich nap tien.