shelgon:

The Pokémon GO Field Test Details: (Update: 3/29/2016) – 1:10 am

• You can customize your trainer
• You don’t receive a starter Pokémon (Only applies in the Beta Version)
• Only Generation 1
  Pokémon

  are found in the beta.

• The stats in the game are the following: Attack, Defense, Individual Defense and Pokémon Defense.
• 232 moves are program in the game. (137 moves are normal attacks while 97 moves are faster attacks of the original 137 moves)
• You can join Team Red, Team Blue or Team Green.
• A new move called “Starburst” was found in the data. (Still
  unknown if the move is exclusive to Pokémon GO or introduce in Sun and Moon) Starburst is confirmed to be a new function of
  Pokémon

  Go.
  

• You don’t battle wild Pokémon. You can directly catch them
  using a Pokeball, Great ball, Ultraball or Masterball.
• The game has reference to Google Cardboard.
• The game size is 47.97 MB on Android.
• Items are divided into 7 categories: Poké Balls, Potions,
  Revives, Maps, Battle Objects, Food and Camera.
• Items found in the beta version are: Pokeball, Great Ball,
  Ultra Ball, Master Ball, Potion, Super Potion, Hyper Potion, Max Potion, Max
  Revive, X Attack, X Defense, X Miracle X (new item), Razz Berry, Berry Bluk,
  Nanab Berry, Wepear Berry, Berry Pinap and Special Camera.
• The natures are different from the main games. The natures
  are the following: Stoic, Assassin, Guardian, Raider, Protector, Sentry and
  Champion.
• Day and Night cycle has been confirmed!
• The player will have the following titles: at Level 5 is
  Novice, at level 10 is Trainer, at level 25 is Leader and level 50 is
  Professor.
• Apparently Shiny Pokémon are in the data. (With the same
  chance of 1 in 8192)There will be three kinds of Pokémon: normal, legendary and
  mythical.
• No mega stones are found in the beta. 

Translated from http://www.cpokemon.com/2016/03/28/constante-actualizacion-filtraciones-de-la-beta-de-pokemon-go/