General: "Chess Engines" supports the Universal Chess Interface(UCI) protocol and using ARMv5TE compiled engines. To play against these engine you need the application "Chess for All".
Brief description of main steps:
1) Copy of ARMv5TE compiled engines to mobile phone
create a folder on the SD card of your mobile phones and copy engines from the following link to the folder: ARMv5TE engines
2) "Chess Engines": install engines from SD card
press the option key, select the menu "Install engine from SD" and select an engine from the folder created above(process must be done for each engine).
3) "Chess Engines": import an engine
press the option key, select the menu "Import engine" and select an engine.
4) "Chess for All": playing against an imported engine
close the application "Chess Engines" and start "Chess for All".
Press the "menu" button and select the menu item "Engines". Select "E1" or "E2" and then "Chess Engines". Press the play button(bottom left) for playing.