Yerelyo is a mobile marketplace application which is presumed to be present in iOS and Android platforms. Yerelyo will contain local market chains' online shopping services and give its users access to several markets listed according to several locations. Users can observe products from different shops and place their order according to user's desired timeslot and payment type. The main aim of the Yerelyo is providing easy access to different market options from one application and allowing users to do their shopping without installing several market applications. Yerelyo will also have coupon and campaign features. Coupon feature gives users opportunity of applying discount coupons to their carts and campaign feature makes users observe discounted products specified by selected market.