German apple App Store keywords

I want keywords that make my app on the top with maximum downloads , conditions : 1- you have to submit keywords to me for German localization on the apps store 2- you will not have any access to any thing or any account you just provide me direct with the keyword list for every country 3- the keywords must be great with very high traffic , low difficulty and small number of apps 4- you must be German 5- the app is a scanner app with translation to any language , sign documents , lock documents, convert pdf to text .. same as this example [login to view URL] 6- I must check your keywords before accept them