It is the contents of the header when you call the method continuously home_timeline, direct_messages, direct_messages / sent, the home_timeline.
10-10 11:06:12.385: D/API(19895): http://api.twitter.com/1.1/statuses/home_timeline.json?count=20&include_entities=true
10-10 11:06:13.428: D/KEY(19895): HEADER :X-Rate-Limit-Limit VALUE:[15]
10-10 11:06:13.428: D/KEY(19895): HEADER :X-Rate-Limit-Remaining VALUE:[13]
10-10 11:06:13.428: D/KEY(19895): HEADER :X-Rate-Limit-Reset VALUE:[1349835523]
10-10 11:06:16.335: D/API(19895): http://api.twitter.com/1.1/direct_messages.json?count=20&include_entities=true
10-10 11:06:17.075: D/KEY(19895): HEADER :X-Rate-Limit-Limit VALUE:[15]
10-10 11:06:17.085: D/KEY(19895): HEADER :X-Rate-Limit-Remaining VALUE:[12]
10-10 11:06:17.095: D/KEY(19895): HEADER :X-Rate-Limit-Reset VALUE:[1349835523]
10-10 11:06:17.495: D/API(19895): http://api.twitter.com/1.1/direct_messages/sent.json?count=20&include_entities=true
10-10 11:06:18.025: D/KEY(19895): HEADER :X-Rate-Limit-Limit VALUE:[15]
10-10 11:06:18.025: D/KEY(19895): HEADER :X-Rate-Limit-Remaining VALUE:[11]
10-10 11:06:18.025: D/KEY(19895): HEADER :X-Rate-Limit-Reset VALUE:[1349835523]
10-10 11:06:20.755: D/API(19895): http://api.twitter.com/1.1/statuses/home_timeline.json?count=20&include_entities=true
10-10 11:06:21.415: D/KEY(19895): HEADER :X-Rate-Limit-Limit VALUE:[15]
10-10 11:06:21.425: D/KEY(19895): HEADER :X-Rate-Limit-Remaining VALUE:[10]
10-10 11:06:21.425: D/KEY(19895): HEADER :X-Rate-Limit-Reset VALUE:[1349835523]