High resulation games problem

There should be no problem with having more than one high resolution game installed on the m8. Especially if you have added a sdcard for more storage, even if you have not it should still be fine as long as you are not running low on storage space. The processor, ram and other components in the phone should not have issues running these games. My htc one m8 has no problems with having more than one high resolution game installed. If you have multiple high res. games installed on your phone and have experienced issues reply back and maybe I can help you figure out the cause. I am assuming you are just asking if it is capable of having more than one high end game but if not let me know.

As far as android 6 for the M8 I have heard that they have an update for the google play edition version only at this time which was just released a little while back. As far as the normal HTC one m8 that is not a google play edition version, I have not heard exactly when it will be released but would think it would be sometime in the next 6 months at least.

If you absolutely can't wait for the Marshmallow update then you can always check out the xda forums website. There is a way right now to get the new android 6 Marshmallow onto your device if interested. It requires some technical knowledge though. If you are into rooting your phones and installing custom recoveries and roms and so on then you may want to have a look at this link for flashing the new marshmallow ruu and rom onto your M8. Here is the xda link: http://forum.xda-developers.com/showthre...