This app is listed in Business category of play store and has been developed by http://www.fiverr.com. You could visit Fiverr's website to know more about the company/developer who developed this. Fiverr - Freelance Services can be downloaded and installed on android devices supporting 10 api and above..
Download the app and then move the apk file to your Android's SD card and then use one file manager you prefer to browse & install it.