2
votes
1answer
168 views

How to manage many mobile device users at server side?

I built a social Android application in which users can see other users around them by GPS location. At the beginning thing went well as I had low number of users, but now that I have increasing ...
7
votes
1answer
515 views

How can I gather client's data on Google App Engine without using Datastore/Backend Instances too much?

One of the projects I'm working on is online survey engine. It's my first big commercial project on Google App Engine. I need your advice on how to collect stats and efficiently record them in ...