Electrum Drum Machine/Sampler For Android is a very nice and handy tool to create drum beats. It is very easy to use and sounds great.

Features:

• WAV file import - Load YOUR OWN SAMPLES from SDCARD. Long press a sound button to bring up the sample loading dialog.
• Use my Sonic Chop app (sold separate) to chop samples from MP3's on your device and load them right into Electrum!
• Use samples and loops to make beats and songs.
• Preview samples LIVE while the machine is playing, they will mix right into the beat.
• Real time playback and editing - no waiting for sound to render before you hear your changes!
• Look at the MENU for more options such as ability to save and load your own custom drumkits - once you've loaded the sounds you like unto the pads and adjusted them you can save the settings as a drumkit, separate from the patch itself!
• RECORD samples with the microphone.
• Stretch loops to fit the current project BPM.
• Edit a sample's start and end point, pitch and pan Left/Right.
• Use other time signatures such as 3/4, 6/8, etc.
• Add some swing to your beats with the SHUFFLE setting.
• Add Delay and Distortion FX to your samples
• Sample accurate playback engine.
• WAV/MIDI/Pad Export-load your song into Fruityloops!
• Sharing - install the Soundcloud app from the market and you can share beats right to soundcloud (see Electrum's Menu->More->Share)
• Electrum has 8 sounds and you can program up to 32 patterns. A full sequencer allows you to string the patterns together into songs or longer beats. You can also play patterns "live", switching them as the machine is playing.

For multitouch devices, Electrum has a multitouch pad dialog as well (See Menu->Play Multitouch pads) where you can play just like an MPC by hitting the pads.