Here are the latest iPhone/iPod touch/iPod/iPad apps. You can find ’em at the Apple App Store (http://www.itunes.com/appstore/).

Cristian Esposito has announced RPGplane — Set Your Maps on Fire for the iPhone, iPad and iPod touch. The US$2.99 app is designed to make easy to play any pen and paper RPG anywhere. It will transform your iOS into a virtual tabletop. RPGplane features 17 maps, 48 tokens and 16 objects such as treasures, weapons and armor.

Holderness Media has released Vintage Toy Piano 1.0 for the iPad. It’s a $0.99 sounding instrument modeled after vintage wooden toy pianos. It can be recorded into your computer, iOS device, or any other recording device.

Dr. Gary Brown has introduced Autism/DTT Numbers 1.0, a discrete trial training app for iOS devices. The app — normally $9.99, but on sale for $0.99 through April — is designed to help your child learn the numbers and to learn to count.

Chris Oxley has launched Marshi Go! Episode 1: The Meadow 1.0 for iOS. It’s a $0.99 platform game aimed at the entire family. There are over 40 achievements to collect and a leader board.

Balance Bomb for the iPhone and iPod has exploded from Always Online Group. Especially designed to be played in a group, the $0.99 challenges the players to perfectly balance the iDevice and pass it on to the next player without triggering the “bomb.”

Mother Tucker has updated Speed Pro, their digital GPS speedometer for iOS devices, to version 2.1. The $0.99 app gives users a digital view of their current speed, average speed, top speed, distance traveled and elapsed time and allows them to save their routes. Speed PRO allows users to share speedometer images with friends as well as customize the colors of the interface. Version 2.1 introduces automatic pause/resume and Satellite maps.

AppGeneration Software has announced Apps Promo 1.0.6 for iOS devices. The free application giving you full access to all app promotions within the Apple App Store.

Dot Next has updated ABC — Magnetic Alphabet for the iPad to version 1.3.3. A $1.99 magnetic board for kids. ABC — Magnetic Alphabet is an tool to help preschool age children become familiar with letters and numbers. In this modern edition aside from letters and numbers there are a large number of symbols, animals, objects and shapes, plus a rich set of special characters used in countries outside the U.S. plus 12 new Easter-themed magnets.

SID On has released Color Me !!! Easter Edition 1.0.2 for the iPhone, iPad, and iPod touch just in time to celebrate the Easter Holiday. In fact, it will be made available for free for one day only on April 15. The app is normally $0.99.