Hi,
I am Albert Smith from ByteSols located at San Pedro, CA. I have gone through your requirement and will surely develop the database of your wallpaper app. We have a team of 20+ developers.
Relevant Skills and Experience
Android, Firebase, Java, MySQL, SQL, NoSQL, APP design, UI,, Native Android App development, SQL Lite, RestFul/SOAP web services, XML/JSON, CVS/SVN/GIT, PhoneGap, Ionic, Cordova framework, Angular JS.
Proposed Milestones
kr232 SEK - project milestone
Query->> Can you send me the link of your wallpaper application?