In [91]: response.xpath('//*[@title="APK details"]/following-sibling::*[@class="appspec-value"]').extract()
Out[91]: [u'<div class="appspec-value">Version: 3.0.38_ww (4030038)<br>arm <br><span class="wrapText">Package: com.lenovo.anyshare.gps</span>n<br>2,239 downloads </div>']

In [95]: apk_details = response.xpath('//*[@title="APK details"]/following-sibling::*[@class="appspec-value"]')

In [107]: apk_details.xpath('.//*/text()').extract()
Out[107]: [u'Package: com.lenovo.anyshare.gps']

In [109]: apk_details.xpath('.//text()').extract()
Out[109]:
[u'Version: 3.0.38_ww (4030038)',
 u'arm ',
 u'Package: com.lenovo.anyshare.gps',
 u'n',
 u'2,239 downloads ']

In [120]: response.xpath('//[@id="file"]/div[1]/div[1]/div/div[1]/div[2]//text()').extract()

Out[120]:
[u'Version: 3.0.38_ww (4030038)',
 u'arm ',
 u'Package: com.lenovo.anyshare.gps',
 u'n',
 u'2,239 downloads ']

In [121]: vd=response.xpath('//*
    [@id="file"]/div[1]/div[1]/div/div[1]/div[2]//text()').extract()

In [122]: for v in vd:
     ...:     print v
     ...:
Output:

    Version: 3.0.38_ww (4030038)
    arm
    Package: com.lenovo.anyshare.gps
    2,239 download