Here is another compact computer chess that can give you a good game without having to rely on a smartphone. The Fidelity Mini Sensory Chess Challenger indicates the moves with LEDs. It gives you audio feedback if you make a wrong move. It has a peg sensory board, so you can enter moves fast.
The Mini Sensory Chess Challenger has a modular design. With additional plugins, you can use a more advanced chess program or opening book.