Can higher body fat contribute to someone's strength positively?

Not directly but indirectly yes for the following reasons:

  1. If you have more body fat, your muscles leverages change, which can make exercises easier depending how you store fat.
  2. You have more cushionining around your joints, which can also help you lift more.
  3. If you have more body fat, your likely in a surplus of calories, which will also lead to more strength gains.

Like I said though, fat does not directly help you increase strength because it doesn't produce force, but people that carry more body body fat (compared to lean individuals) can be stronger because of these reasons.

What is the best way to implement a server based turn based game on Android?

-------------------------------------------------------------------------------------------------------------1. Google App Engine: to be http biased, low bandwidth, but eclipse/android integration out of the boxdynamic web serving, with full support for common web technologiespersistent storage with queries, sorting and transactionsautomatic scaling and load balancingAPIs for authenticating users and sending email using Google Accountsa fully

What is recommended after a workout - a hot shower, a cold shower or sauna? Why?

Experts have come with their opinion and valid points to voice for their preferences; here I have tried to accumulate diverse opinions to help you choose the best path.The hot shower helps to stimulate the blood flow and soothes the muscle

Does it make sense to do dumbbells for biceps every other day?

It depends if you are lifting for strength, size, endurance or tone. You really need to develop a plan and work on all parts. Every muscle group has an equal and opposite group of muscles. For your biceps it is the triceps. But they are also connected to the shoulder, the back, the stomach the legs - everything