I use Office Suite Pro 7 (has SkyDrive support)
+ SkyDrive App + OneNote Mobile there, with Outlook.com tied into my Stock Email App (Samsung's Client is better than their Mobile App, IMO).
Not exact matches
The smartphone runs on Windows Phone 8 mobile operating system, and comes with a Snapdragon S4 1.5 GHz dual - core processor, 1 GB RAM, 32 GB internal storage with 7 GB free
SkyDrive storage, a 4.5 - inch Nokia PureMotion HD
+ WXGA IPS LCD display, a 960p front - facing camera and a 8.7 - megapixel rear camera with Nokia PureView advanced optical imaging stabilization and Carl Zeiss optics, moreover, other specs also include Bluetooth 3.1, WiFi, WiFi Hotspot, microSD card slot, micro USB, and A-GPS.
Nokia Lumia 2520 Specifications Operating System: Windows RT 8.1 Networks: GSM: 850, 900, 1800, 1900 MHz — WCDMA: 850, 900, 1800, 1900, 2100 MHz - LTE: 2, 3, 4, 5, 7, 13, 17, 20 Speed: LTE: 150 Mbps DL / 50 Mbps UL Memory: 2 GB RAM, 32 GB internal memory, micro SD card support up to 32 GB,
SkyDrive cloud storage Display: 10.1» 1080p full HD (1920 × 1080) AHIPS Capacitive Multi-Touch Display, Gorilla Glass 2 Processor: 2.2 GHz Quad Core Qualcomm Snapdragon 800 Primary camera: 6.7 MP Auto Focus ZEISS optics with f1.9 aperture; FFC: 2MP HD wide - angle Size & weight: 267 x 168 x 8.9 * mm (* volumetric); 615g Connectivity: NFC, A-GPS
+ GLONASS, WLAN 802.11 a / b / g / n, microUSB 3.0, BT 4.0 LE, 3.5 mm audio connector Battery: 8000 mAh Audio: Stereo front facing speakers
I count 28 services that it integrates: Google Drive, Google
+, Picasa, YouTube, Feedly, Evernote, Dropbox, Box, Vimeo, Ubuntu One, Tumblr, SugarSync,
SkyDrive, Readability, Put.io, Pocket, Flickr, Instagram, Instapaper, MediaFire, Facebook, Droplr, Dailymotion, CloudApp, Exfm, Scribd, SlideShare and SoundCloud.
If I were to move to iOS, it would be
SkyDrive + Office Mobile
+ OneNote Mobile with Outlook.com over ActiveSync and Skype for IM / VoIP / Video Calling.