Yes. Games are preinstalled and there are many pokemon and zelda games. 

Contact the customer service, they will send you the list. It's almost every game from the earliest era of gaming right up to Psone. They also provide a weblink for you to download the games you need. 

Unfortunately, we currently do not have the charging solution you are looking for. Please note that the Type-C port uses a power adapter that does not exceed 65W. 

3mm 

As K&F Concept ND2-ND400 filters adjusts the amount of light that can pass through with polarizing glass, a colour cast can't be avoided for all the variable ND filters on the market. However, K&F Concept variable ND filters are made by the best coating technology, which reduces the effect of the polarizing film on image color. *Based on our professional test, the colour cast of K&F Concept ND2-ND400 filters is around 290k while the industry standard is 500k.