Paging and grouping using CTE?

Question

Given the following code, from the answer to this question, how can I adapt it for paging? I've read that Common Table Expression is a good way to do paging, but since I implemented CTE to solve a problem that was already over my head, I really have no idea where to start in merging the two solutions.

;with cte as
(
  SELECT DISTINCT d.AppId,
    d.AppName,
    d.AppType,
    Tags = STUFF((SELECT ', ' + t.TagName
                  FROM AppTags t
                  where d.AppID = t.AppID
                  FOR XML PATH (''))
                  , 1, 1, '') 
  FROM AppDetails d
  WHERE d.AppID = '1'
)
select *
from cte
where tags like '%test1%'