LH Grain Pad is in effect just an iPad version of LH Grain.
The app’s description is pretty simple (and almost identical to the iPhone version). Here it is:
LH Grain is a two channels synthesiser for iOS 6.0 or later. Generates granular synthesis textures. OSC message support .
- Samples location control.
- Grain waveform selector.
- Trends keyboard.
- Frequency jitter.
- Grain duration control.
- Density of grains control.
- OSC send and receive.