What about gold/silver and diamond/pearl? If I have to pick one of your options, I'd say emerald because of the battle frontier. The length of a game is really important to me because I hate paying for something that I'm gonna finish in 3-8 hours. Overall, I'd have to say silver, it's twice as...
The second one looks like a Digimon D-Spirit, not D-cyber.
P.S. For those who don't know what either one is, thery're both Bandai Asia digimon products.
Pics of both
D-spirit
https://thmb.inkfrog.com/thumbn/im7coollook/06_12_17.JPG=600
D-cyber(looks like a cell phone)...
First off you need to know if it's japensese or american before I can help you. There's a picture at the this site https://www.geocities.com/airdra400/images/d3compare.jpg
On the left is the Bandai Japan D-3. On the right is the Bandai America D-3. Look at the screens, Bandai Japans is larger...
I have one with a clock that loses time VERY VERY rapidly and there is no way to reset the clock. And you don't actually play with it, you just pick the exercise option and it shows an animation of an arm lifting weights,etc.
Try https://www.toysnjoys.com/digimonpets.html WARNING:Their customer service is REALLY BAD!!!. Use only as a last resort.
Or
https://www.japan-toys.com/ Currently stocks the iC and the Mini
https://www.hlj.com/ They sell the Version 1 Digimon Mini by the case.