[General Topics] Menneisyys:
(VGA – iPAQ 214 – screenshot showing some (original-sized, 12 Mpixel) shots I’ve taken at MWC in Barcelona)

Taking into account it’s a free app, it’s pretty nice and recommended, again, particularly for iPhone fans. Despite it being free, it's very fast at both displaying thumbnails and reading the entire image for subsequent zooming.

Some of the problems or stumbling blocks you should be aware of:

-	as with the other two apps, the additional “busy waiting” CPU usage can be pretty high (~28% on an iPAQ 210), even when just displaying the file list. While this really an issue with the two other apps (which run with the screen dimmed for most of the time – or minimized when run in the background), with a picture viewer, which always displays something in the foreground, the situation is entirely different. If you’re afraid of this, get another image viewer.

-	when you try to open a storage card with tons (hundreds) of subdirectories in the root, it doesn’t display anything

-	or, even worse, just a black screen. In this case, make sure you open the card with the "ARROW" button next to the folder and not by tapping the folder name. There’s an excellent post showing this HERE. As you can see, there’re two ways of opening a directory.

It also allows for setting the Today screen wallpaper (separate for landscape and portrait orientation) and assigning an image to a contact:

Zoom-in

The app also supports (pretty fast, unlike with, say, the otherwise excellent and free XnView) zooming functionality. It, unlike with PocketCM ImageViewer (more on it later), uses D-pad based zooming-in, only keeping the touchscreen for switching between consecutive images and, when zoomed in, accelerated, iPhone-like scrolling.

With the default settings, it can’t zoom in into large – tested with 12 Mpixel ones – images, not even on large-RAM models (for example, the 128M RAM iPAQ 210), unlike the five most recommended, other titles. The others are all capable of zooming into to at least 50% and, Conduits Pocket Artist 3.3 to 100% if you use an external cache. (Then, it’ll use about 36Mbyte RAM and an additional 6M cache to load a 12Mpixel image.). Then, it just prints a blank - or corrupted - screen - instead of showing an "out of memory" error. The developer stated setting the Registry value MaxZoomLevel to a higher value (from the default) may help. I haven’t tested the effect of this.

Finally, let’s compare it to the already-mentioned PocketCM ImageViewer (current, tested version: 0.4), which also offers “change picture upon swiping” functionality.

1.	I’ve found the latter (PocketCM) less compatible (it didn’t even try to list my 12 Mpixel images). I don’t know where the threshold is (2 Mpixels? 4? 8? I haven’t tested this. VGA-resolution JPG’s are found, correctly displayed and zoomed-in).

2.	The zoom-in functionality of S2V is far better thought-out (as it’s D-pad based, there’re no accidental zooming in if you don’t press the touchscreen upon swiping firmly enough) with any zoom level (as opposed to the two of PocketCM) with fast zoom-in loading

3.	I’ve found PocketCM ImageViewer’s image changing animation much more spectacular (which may be important for an iPhone fan wanting great visuals) than that of S2V

4.	PocketCM has the definite advantage in that it has no CPU usage at all, as opposed to the considerable CPU usage (and the consequential power consumption on most CPU architectures) of S2V (even when it’s just idling, displaying an image).

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