Job is simple , you need to provide ratings for an application which is already on google play store. No technical skill are required as such. You just need to have access to actual android devices. Whether you are a company or , have a good friend circle does not matter. you need to rate the application from actual android devices on its google play store page. This is a simpleton job to please do not bid higher than logical effort for this job. Your bid must be for how many ratings you can provide at a given price.