1. Milestone 4 – Final Presentation 1

2. Overview & Motivation 2 friendizer is a competitive social game based on location that offers an opportunity to meet new people with common interests. ✔ See who's around you, mutual friends, interests and stats ✔ Send messages, gifts to each other ✔ Buy your friends or anyone you meet, get bought and increase your value ✔ See your current location and nearby people on a map ✔ Get notified when friends or other interesting people are around

3. Our Main Features Nearby users (map, notifications) Users matching Login + data from Facebook Buying users Leveling system Chat, sending gifts Leaderboard Action history 3

4. Architecture 4 Facebook Server Android Device GCM Facebook API (restfb) HTTP Facebook API

5. Main Technologies Android SDK Google App Engine (Big Table, memcache, cron jobs, task queue) GCM (also C2DM before that) Facebook API (for Android and restfb) Google Maps for Android Other libraries: actionbarsherlock, Gson, mapviewbaloons, etc 5

6. Difficulties App Engine DB (Big Table) Compatibility with Android v2.2 to the latest C2DM / GCM Managing all the users in the server UI: navigation (esp. with Google Maps), responsiveness Obtaining likes from Facebook 6

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