The security report reveals that the app is safe. International Games System Co., Ltd. is the official developer of 競技麻將【內含拉霸、骰寶等遊藝場熱門遊戲】 that can be found in the Casino Games category. The game is suitable for users aged 14 and older, it has the overall rating 3.6 on Google Play.
The developer released a new version of the app on Dec 24, 2018 and over 100K users downloaded and set up this application. A free .apk file of 競技麻將【內含拉霸、骰寶等遊藝場熱門遊戲】 2.6.3 can be downloaded from Droid Informer and you can have a look at users' reviews on this site. Prepare 20 MB of free space on your device for this app setup package and keep in mind that it requires Android 4.0 and above.