This third party app is very helpful for poke & peek players.
It enables you to find remote friends so that you may receive eggs from far away: this speeds up acquiring trade medals.
The app also allows players to inform each other about present and future Stop or Gym actions. This has many benefits. For example, it makes it easy for you and your (un)known fellow trainers to attack a foreign Gym at a certain, planned moment. Note that only trainers of the same team will be informed about a planned attack!
You can also announce a planned raid in order to form a group of trainers for fighting the raid boss.
As another example, it allows you to inform fellows of the same team about a Gym that is out of their sight.
Also lures can be reported or planned.

Features:
* Show yourself on a map being available as new friend
* Receive the trainer code from other trainers
* Tell a present lure
* Tell a present battle
* Tell the state of a gym concerning occupying team, level, open places
* Tell losing your place in a gym
* Plan a future lure
* Plan a future battle
* Announce a planned raid
* Subscribe to actions about lures, battles, raids and/or gyms in a certain area
* Withdraw a subscription
* Restore subscriptions at re-install
* Receive a message of an action subscribed to
* Move to the location of the received action
* Add new Stops or Gyms to the database
* Change a Stop into a Gym
* Enter or change your trainer nickname, trainer code, or team color
* Delete your registration for this app
* Includes advertisements

This PokePeek app uses a community driven database for showing Stops and Gyms.

Requires Android 4.1 or higher.