This app was mentioned in 3 comments, with an average of 1.00 upvote
>What is htc gallery?
The standard gallery app of previous HTC phones.
https://play.google.com/store/apps/details?id=com.htc.album&hl=en
(Not compatible with HTC 10)
I guess the keyboard is alright, but it's a serious step back from HTC sense input.
It was not easy when I first did it, but now it seems that HTC has made it open for everyone to do by visiting the Play Store.