About getting installed tweet in twitter

hi guys
iam in app that shows the hashtag that i want groups tweets on

the app with get every day the installed tweet in my tweeter account { tweet includes the hashtag}
and copy it to use it in tweeter .
i will change the installed tweet every day and i want the fresh installed tweet shows in app ?
how to get the link of the block of installed tweet?
or make data base that i control it and add new texts or media in my app that see it any one shows the app??
best thank