Are You Here (2015)

Min, Lung, Fun and Keung are business partners of an online game design company, which is on the verge of winding up due to the lack of clients. Just as things start to get worse, a mysterious lady, Mrs. Wong offers them a sizable sum of money if they could complete the final stages of her deceased son's online game - Ouija Board and launch it thereafter. They readily accept the business. Soon mysterious things happen and they experience ghost sightings.