Square Enix did a price cut on the Dragon Quest V in Japan on the smartphone version. The original price of the game is 1800 Yen (with tax) but until August 14,2016 you can get it with 33% OFF which means the price is at the moment 1200 Yen (with tax).
The new price available only for the Japanese version but for the iOS and the Android version also.
It should be noted that this is the full price of the game. You don’t have to pay any additional costs later. For this price you will get the full game without any hidden costs. If you like the original Nintendo DS game and you want to replay it on your phone for example, grab the game now!