基于“Restlet”的Android项目服务器端的最佳部署解决方案

I would like to ask you for an opinion about best free/paid server solution for the server side of android app. The server is written using "Restlet". I need application server with MySQL backend support (like "TomCat" & "MySql" on my local machine). I would like to upload the app on GooglePlay for free so i cant afford something expensive. The applicaiton is language learner and the transactions are mostly pushing and pooling words so i guess i dont need huge bandwidht and so on.. Thanks!I would like to ask you for an opinion about be